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31192079076 = 2234791218631
BaseRepresentation
bin11101000011001100…
…010101101011100100
32222111211101210110000
4131003030111223210
51002340133012301
622155054301300
72152653204024
oct350314255344
988454353400
1031192079076
111225712a754
1260661b7830
132c31345132
14171c8b5a84
15c285ec786
hex743315ae4

31192079076 has 60 divisors (see below), whose sum is σ = 82574504320. Its totient is φ = 10265739120.

The previous prime is 31192079059. The next prime is 31192079081. The reversal of 31192079076 is 67097029113.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 583720 + ... + 634911.

Almost surely, 231192079076 is an apocalyptic number.

31192079076 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

31192079076 is an abundant number, since it is smaller than the sum of its proper divisors (51382425244).

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

31192079076 is a wasteful number, since it uses less digits than its factorization.

31192079076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218726 (or 1218715 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The spelling of 31192079076 in words is "thirty-one billion, one hundred ninety-two million, seventy-nine thousand, seventy-six".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 79 81 108 158 162 237 316 324 474 711 948 1422 2133 2844 4266 6399 8532 12798 25596 1218631 2437262 3655893 4874524 7311786 10967679 14623572 21935358 32903037 43870716 65806074 96271849 98709111 131612148 192543698 197418222 288815547 385087396 394836444 577631094 866446641 1155262188 1732893282 2599339923 3465786564 5198679846 7798019769 10397359692 15596039538 31192079076