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10031121332 = 2261349117797
BaseRepresentation
bin10010101011110011…
…01100001110110100
3221220002022202120022
421111321230032310
5131020431340312
64335213424312
7503403060461
oct112571541664
927802282508
1010031121332
114288340a21
121b3b49b098
13c3b29596b
146b2344668
153da9a9172
hex255e6c3b4

10031121332 has 24 divisors (see below), whose sum is σ = 17893516200. Its totient is φ = 4919160960.

The previous prime is 10031121323. The next prime is 10031121349. The reversal of 10031121332 is 23312113001.

It can be written as a sum of positive squares in 4 ways, for example, as 1331082256 + 8700039076 = 36484^2 + 93274^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10031121332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26258 + ... + 144054.

It is an arithmetic number, because the mean of its divisors is an integer number (745563175).

Almost surely, 210031121332 is an apocalyptic number.

It is an amenable number.

10031121332 is a deficient number, since it is larger than the sum of its proper divisors (7862394868).

10031121332 is a wasteful number, since it uses less digits than its factorization.

10031121332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118211 (or 118209 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 10031121332 its reverse (23312113001), we get a palindrome (33343234333).

The spelling of 10031121332 in words is "ten billion, thirty-one million, one hundred twenty-one thousand, three hundred thirty-two".

Divisors: 1 2 4 61 122 244 349 698 1396 21289 42578 85156 117797 235594 471188 7185617 14371234 28742468 41111153 82222306 164444612 2507780333 5015560666 10031121332