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42313789765 = 513650981381
BaseRepresentation
bin100111011010000110…
…010011000101000101
311001012220212020100201
4213122012103011011
51143124312233030
631234431210501
73025401164362
oct473206230505
9131186766321
1042313789765
1116a44038595
12824a976a31
133cb4545230
1420959c9469
151179bce2ca
hex9da193145

42313789765 has 8 divisors (see below), whose sum is σ = 54682436088. Its totient is φ = 31247106240.

The previous prime is 42313789757. The next prime is 42313789783. The reversal of 42313789765 is 56798731324.

It can be written as a sum of positive squares in 4 ways, for example, as 2772864964 + 39540924801 = 52658^2 + 198849^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42313789765 - 23 = 42313789757 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 325490626 + ... + 325490755.

It is an arithmetic number, because the mean of its divisors is an integer number (6835304511).

Almost surely, 242313789765 is an apocalyptic number.

It is an amenable number.

42313789765 is a deficient number, since it is larger than the sum of its proper divisors (12368646323).

42313789765 is a wasteful number, since it uses less digits than its factorization.

42313789765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650981399.

The product of its digits is 7620480, while the sum is 55.

The spelling of 42313789765 in words is "forty-two billion, three hundred thirteen million, seven hundred eighty-nine thousand, seven hundred sixty-five".

Divisors: 1 5 13 65 650981381 3254906905 8462757953 42313789765