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42351431516 = 2243641384133
BaseRepresentation
bin100111011100010101…
…111000111101011100
311001022112200122010122
4213130111320331130
51143213431302031
631242254054112
73026336141162
oct473425707534
9131275618118
1042351431516
1116a63308379
12825b4aa338
133cbc294564
14209a9c7232
15117d16747b
hex9dc578f5c

42351431516 has 24 divisors (see below), whose sum is σ = 75957120624. Its totient is φ = 20650936320.

The previous prime is 42351431503. The next prime is 42351431519. The reversal of 42351431516 is 61513415324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42351431519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81815 + ... + 302318.

It is an arithmetic number, because the mean of its divisors is an integer number (3164880026).

Almost surely, 242351431516 is an apocalyptic number.

It is an amenable number.

42351431516 is a deficient number, since it is larger than the sum of its proper divisors (33605689108).

42351431516 is a wasteful number, since it uses less digits than its factorization.

42351431516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384821 (or 384819 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The spelling of 42351431516 in words is "forty-two billion, three hundred fifty-one million, four hundred thirty-one thousand, five hundred sixteen".

Divisors: 1 2 4 43 86 172 641 1282 2564 27563 55126 110252 384133 768266 1536532 16517719 33035438 66070876 246229253 492458506 984917012 10587857879 21175715758 42351431516