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1312012423230 = 235147472965603
BaseRepresentation
bin10011000101111010000…
…010001101000000111110
311122102112101211210001020
4103011322002031000332
5132444000140020410
62442421415325010
7163534614406425
oct23057202150076
94572471753036
101312012423230
1146646a8995a3
1219233a380766
13969509bb792
1447704abc2bc
15241dd7eba70
hex1317a08d03e

1312012423230 has 32 divisors (see below), whose sum is σ = 3149044401024. Its totient is φ = 349846136736.

The previous prime is 1312012423199. The next prime is 1312012423243. The reversal of 1312012423230 is 323242102131.

It is a self number, because there is not a number n which added to its sum of digits gives 1312012423230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1040392 + ... + 1925211.

It is an arithmetic number, because the mean of its divisors is an integer number (98407637532).

Almost surely, 21312012423230 is an apocalyptic number.

1312012423230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312012423230 is an abundant number, since it is smaller than the sum of its proper divisors (1837031977794).

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

1312012423230 is a wasteful number, since it uses less digits than its factorization.

1312012423230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2980360.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1312012423230 its reverse (323242102131), we get a palindrome (1635254525361).

The spelling of 1312012423230 in words is "one trillion, three hundred twelve billion, twelve million, four hundred twenty-three thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 14747 29494 44241 73735 88482 147470 221205 442410 2965603 5931206 8896809 14828015 17793618 29656030 44484045 88968090 43733747441 87467494882 131201242323 218668737205 262402484646 437337474410 656006211615 1312012423230