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10231312100 = 2252102313121
BaseRepresentation
bin10011000011101010…
…10110111011100100
3222102001000111200012
421201311112323210
5131423203441400
64411124305352
7511353501152
oct114165267344
928361014605
1010231312100
114380344239
121b96542258
13c708b8a39
146d0b763d2
153ed34ed35
hex261d56ee4

10231312100 has 18 divisors (see below), whose sum is σ = 22201947474. Its totient is φ = 4092524800.

The previous prime is 10231312087. The next prime is 10231312103. The reversal of 10231312100 is 121313201.

It can be written as a sum of positive squares in 3 ways, for example, as 48080356 + 10183231744 = 6934^2 + 100912^2 .

It is not an unprimeable number, because it can be changed into a prime (10231312103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51156461 + ... + 51156660.

Almost surely, 210231312100 is an apocalyptic number.

10231312100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10231312100 is an abundant number, since it is smaller than the sum of its proper divisors (11970635374).

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

10231312100 is a wasteful number, since it uses less digits than its factorization.

10231312100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102313135 (or 102313128 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 10231312100 its reverse (121313201), we get a palindrome (10352625301).

The spelling of 10231312100 in words is "ten billion, two hundred thirty-one million, three hundred twelve thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 102313121 204626242 409252484 511565605 1023131210 2046262420 2557828025 5115656050 10231312100