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10031120412 = 2232417345853
BaseRepresentation
bin10010101011110011…
…01100000000011100
3221220002022201022020
421111321230000130
5131020431323122
64335213420140
7503403055005
oct112571540034
927802281266
1010031120412
114288340265
121b3b49a650
13c3b295411
146b23441ac
153da9a8c5c
hex255e6c01c

10031120412 has 24 divisors (see below), whose sum is σ = 23415699216. Its totient is φ = 3342313728.

The previous prime is 10031120389. The next prime is 10031120413. The reversal of 10031120412 is 21402113001.

It is a junction number, because it is equal to n+sod(n) for n = 10031120391 and 10031120400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10031120413) 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, 143923 + ... + 201930.

It is an arithmetic number, because the mean of its divisors is an integer number (975654134).

Almost surely, 210031120412 is an apocalyptic number.

10031120412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10031120412 is an abundant number, since it is smaller than the sum of its proper divisors (13384578804).

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

10031120412 is a wasteful number, since it uses less digits than its factorization.

10031120412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348277 (or 348275 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10031120412 its reverse (21402113001), we get a palindrome (31433233413).

The spelling of 10031120412 in words is "ten billion, thirty-one million, one hundred twenty thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 2417 4834 7251 9668 14502 29004 345853 691706 1037559 1383412 2075118 4150236 835926701 1671853402 2507780103 3343706804 5015560206 10031120412