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312430402132 = 22117166701623
BaseRepresentation
bin1001000101111100100…
…11011001101001010100
31002212102210220212211021
410202332103121221110
520104324140332012
6355310055450524
731400213412652
oct4427623315124
91085383825737
10312430402132
111105568a9412
1250674386a44
13236011baa44
141119bd99dd2
1581d8aeb007
hex48be4d9a54

312430402132 has 12 divisors (see below), whose sum is σ = 547220123296. Its totient is φ = 156081795480.

The previous prime is 312430402127. The next prime is 312430402169. The reversal of 312430402132 is 231204034213.

It is a super-2 number, since 2×3124304021322 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312430402097 and 312430402106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33346128 + ... + 33355495.

Almost surely, 2312430402132 is an apocalyptic number.

It is an amenable number.

312430402132 is a deficient number, since it is larger than the sum of its proper divisors (234789721164).

312430402132 is a wasteful number, since it uses less digits than its factorization.

312430402132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66702798 (or 66702796 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 312430402132 its reverse (231204034213), we get a palindrome (543634436345).

The spelling of 312430402132 in words is "three hundred twelve billion, four hundred thirty million, four hundred two thousand, one hundred thirty-two".

Divisors: 1 2 4 1171 2342 4684 66701623 133403246 266806492 78107600533 156215201066 312430402132