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318651244132 = 221371659130969
BaseRepresentation
bin1001010001100010001…
…10000001111001100100
31010110111100112101202211
410220301012001321210
520210044204303012
6402215242013204
732010321612364
oct4506106017144
91113440471684
10318651244132
11113159358051
125190b7a7204
1324082c5a540
14115cc2549a4
15844ed086a7
hex4a31181e64

318651244132 has 48 divisors (see below), whose sum is σ = 609922051200. Its totient is φ = 144777265920.

The previous prime is 318651244129. The next prime is 318651244133. The reversal of 318651244132 is 231442156813.

It is not an unprimeable number, because it can be changed into a prime (318651244133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2367544 + ... + 2498512.

It is an arithmetic number, because the mean of its divisors is an integer number (12706709400).

Almost surely, 2318651244132 is an apocalyptic number.

It is an amenable number.

318651244132 is a deficient number, since it is larger than the sum of its proper divisors (291270807068).

318651244132 is a wasteful number, since it uses less digits than its factorization.

318651244132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131716 (or 131714 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The spelling of 318651244132 in words is "three hundred eighteen billion, six hundred fifty-one million, two hundred forty-four thousand, one hundred thirty-two".

Divisors: 1 2 4 13 26 52 71 142 284 659 923 1318 1846 2636 3692 8567 17134 34268 46789 93578 130969 187156 261938 523876 608257 1216514 1702597 2433028 3405194 6810388 9298799 18597598 37195196 86308571 120884387 172617142 241768774 345234284 483537548 1122011423 2244022846 4488045692 6127908541 12255817082 24511634164 79662811033 159325622066 318651244132