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312542402052 = 223191370800009
BaseRepresentation
bin1001000110001001111…
…10101001011000000100
31002212201121200001211110
410203010332221120010
520110041323331202
6355325140205020
731403043404226
oct4430476513004
91085647601743
10312542402052
11110604046631
12506a5999770
132361b47349a
14111acbd2416
1581e387126c
hex48c4fa9604

312542402052 has 24 divisors (see below), whose sum is σ = 767648005600. Its totient is φ = 98697600576.

The previous prime is 312542402041. The next prime is 312542402063. The reversal of 312542402052 is 250204245213.

It is an interprime number because it is at equal distance from previous prime (312542402041) and next prime (312542402063).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 685399777 + ... + 685400232.

Almost surely, 2312542402052 is an apocalyptic number.

It is an amenable number.

312542402052 is an abundant number, since it is smaller than the sum of its proper divisors (455105603548).

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

312542402052 is a wasteful number, since it uses less digits than its factorization.

312542402052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370800035 (or 1370800033 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 312542402052 its reverse (250204245213), we get a palindrome (562746647265).

The spelling of 312542402052 in words is "three hundred twelve billion, five hundred forty-two million, four hundred two thousand, fifty-two".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 1370800009 2741600018 4112400027 5483200036 8224800054 16449600108 26045200171 52090400342 78135600513 104180800684 156271201026 312542402052