[go: up one dir, main page]

Search a number
-
+
2010211120 = 245313172557
BaseRepresentation
bin111011111010001…
…0110001100110000
312012002120022020201
41313310112030300
513104103223440
6531245444544
7100546340551
oct16764261460
95162508221
102010211120
11941791405
12481270754
13260611048
14150d96328
15bb72d19a
hex77d16330

2010211120 has 80 divisors (see below), whose sum is σ = 4841618688. Its totient is φ = 775388160.

The previous prime is 2010211069. The next prime is 2010211123. The reversal of 2010211120 is 211120102.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 2010211097 and 2010211106.

It is not an unprimeable number, because it can be changed into a prime (2010211123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 784882 + ... + 787438.

Almost surely, 22010211120 is an apocalyptic number.

2010211120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2010211120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2420809344).

2010211120 is an abundant number, since it is smaller than the sum of its proper divisors (2831407568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2010211120 is a wasteful number, since it uses less digits than its factorization.

2010211120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2918 (or 2912 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2010211120 is about 44835.3779955071. The cubic root of 2010211120 is about 1262.0616119334.

Adding to 2010211120 its reverse (211120102), we get a palindrome (2221331222).

The spelling of 2010211120 in words is "two billion, ten million, two hundred eleven thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 31 40 62 80 124 155 248 310 317 496 620 634 1240 1268 1585 2480 2536 2557 3170 5072 5114 6340 9827 10228 12680 12785 19654 20456 25360 25570 39308 40912 49135 51140 78616 79267 98270 102280 157232 158534 196540 204560 317068 393080 396335 634136 786160 792670 810569 1268272 1585340 1621138 3170680 3242276 4052845 6341360 6484552 8105690 12969104 16211380 25127639 32422760 50255278 64845520 100510556 125638195 201021112 251276390 402042224 502552780 1005105560 2010211120