[go: up one dir, main page]

Search a number
-
+
2102022455 = 513103313969
BaseRepresentation
bin111110101001010…
…0101000100110111
312102111022210201112
41331102211010313
513301104204310
6544325345235
7103042616231
oct17522450467
95374283645
102102022455
1198959a645
124a7b6821b
13276648590
1415d255251
15c4816705
hex7d4a5137

2102022455 has 16 divisors (see below), whose sum is σ = 2742841920. Its totient is φ = 1537187328.

The previous prime is 2102022437. The next prime is 2102022469. The reversal of 2102022455 is 5542202012.

It is a cyclic number.

It is not a de Polignac number, because 2102022455 - 28 = 2102022199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2102022455.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150290 + ... + 163679.

It is an arithmetic number, because the mean of its divisors is an integer number (171427620).

Almost surely, 22102022455 is an apocalyptic number.

2102022455 is a deficient number, since it is larger than the sum of its proper divisors (640819465).

2102022455 is a wasteful number, since it uses less digits than its factorization.

2102022455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314090.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 2102022455 is about 45847.8184322875. The cubic root of 2102022455 is about 1280.9901305039.

Adding to 2102022455 its reverse (5542202012), we get a palindrome (7644224467).

The spelling of 2102022455 in words is "two billion, one hundred two million, twenty-two thousand, four hundred fifty-five".

Divisors: 1 5 13 65 103 515 1339 6695 313969 1569845 4081597 20407985 32338807 161694035 420404491 2102022455