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40310616661 = 7231315693359
BaseRepresentation
bin100101100010101100…
…110011001001010101
310212001022112111110021
4211202230303021111
51130024004213121
630303552225141
72624635405510
oct454254631125
9125038474407
1040310616661
1116106323a27
12798bb3b1b1
133a555297c3
141d45945d77
1510adde1641
hex962b33255

40310616661 has 32 divisors (see below), whose sum is σ = 48538828800. Its totient is φ = 32730023040.

The previous prime is 40310616629. The next prime is 40310616677. The reversal of 40310616661 is 16661601304.

It is not a de Polignac number, because 40310616661 - 25 = 40310616629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40310616361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11999100 + ... + 12002458.

It is an arithmetic number, because the mean of its divisors is an integer number (1516838400).

Almost surely, 240310616661 is an apocalyptic number.

It is an amenable number.

40310616661 is a deficient number, since it is larger than the sum of its proper divisors (8228212139).

40310616661 is a wasteful number, since it uses less digits than its factorization.

40310616661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4089.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 40310616661 in words is "forty billion, three hundred ten million, six hundred sixteen thousand, six hundred sixty-one".

Divisors: 1 7 23 131 161 569 917 3013 3359 3983 13087 21091 23513 74539 77257 91609 440029 521773 540799 1714397 1911271 3080203 10120667 12000779 13378897 43959233 70844669 250376501 307714631 1752635507 5758659523 40310616661