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2031010112 = 26411973929
BaseRepresentation
bin111100100001110…
…1100000101000000
312020112201000002202
41321003230011000
513124414310422
6533311332332
7101221205165
oct17103540500
95215630082
102031010112
119524a7a5a
124882210a8
13264a14041
14153a4c06c
15bd48ab92
hex790ec140

2031010112 has 56 divisors (see below), whose sum is σ = 4150598760. Its totient is φ = 985456640.

The previous prime is 2031010109. The next prime is 2031010117. The reversal of 2031010112 is 2110101302.

It can be written as a sum of positive squares in 4 ways, for example, as 107661376 + 1923348736 = 10376^2 + 43856^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2031010093 and 2031010102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031010117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514964 + ... + 518892.

It is an arithmetic number, because the mean of its divisors is an integer number (74117835).

Almost surely, 22031010112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2031010112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2075299380).

2031010112 is an abundant number, since it is smaller than the sum of its proper divisors (2119588648).

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

2031010112 is a wasteful number, since it uses less digits than its factorization.

2031010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4179 (or 4169 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 2031010112 is about 45066.7295463072. The cubic root of 2031010112 is about 1266.3993974724.

Adding to 2031010112 its reverse (2110101302), we get a palindrome (4141111414).

The spelling of 2031010112 in words is "two billion, thirty-one million, ten thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 41 64 82 164 197 328 394 656 788 1312 1576 2624 3152 3929 6304 7858 8077 12608 15716 16154 31432 32308 62864 64616 125728 129232 161089 251456 258464 322178 516928 644356 774013 1288712 1548026 2577424 3096052 5154848 6192104 10309696 12384208 24768416 31734533 49536832 63469066 126938132 253876264 507752528 1015505056 2031010112