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10031312321232 = 243208985673359
BaseRepresentation
bin1001000111111001100011…
…0011101011101011010000
31022111222120101212222111120
42101332120303223223100
52303323111423234412
633200153220442240
72053511161601466
oct221763063535320
938458511788446
1010031312321232
11321828a320454
121160176249380
13579c44380857
14269737984836
15125e0dd92b8c
hex91f98cebad0

10031312321232 has 20 divisors (see below), whose sum is σ = 25914223496640. Its totient is φ = 3343770773728.

The previous prime is 10031312321153. The next prime is 10031312321269. The reversal of 10031312321232 is 23212321313001.

It is a super-2 number, since 2×100313123212322 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104492836632 + ... + 104492836727.

It is an arithmetic number, because the mean of its divisors is an integer number (1295711174832).

Almost surely, 210031312321232 is an apocalyptic number.

10031312321232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10031312321232 is an abundant number, since it is smaller than the sum of its proper divisors (15882911175408).

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

10031312321232 is a wasteful number, since it uses less digits than its factorization.

10031312321232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208985673370 (or 208985673364 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 10031312321232 its reverse (23212321313001), we get a palindrome (33243633634233).

The spelling of 10031312321232 in words is "ten trillion, thirty-one billion, three hundred twelve million, three hundred twenty-one thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 208985673359 417971346718 626957020077 835942693436 1253914040154 1671885386872 2507828080308 3343770773744 5015656160616 10031312321232