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76660443992 = 23115503158303
BaseRepresentation
bin100011101100101010…
…0011000101101011000
321022212121011001101102
41013121110120231120
52224000033201432
655114535210532
75352501010466
oct1073124305530
9238777131342
1076660443992
112a569905240
1212a35516a48
1372c92b3082
1439d3423836
151eda205962
hex11d9518b58

76660443992 has 32 divisors (see below), whose sum is σ = 156834938880. Its totient is φ = 34839104160.

The previous prime is 76660443953. The next prime is 76660444027. The reversal of 76660443992 is 29934406667.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 405113 + ... + 563415.

It is an arithmetic number, because the mean of its divisors is an integer number (4901091840).

Almost surely, 276660443992 is an apocalyptic number.

It is an amenable number.

76660443992 is an abundant number, since it is smaller than the sum of its proper divisors (80174494888).

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

76660443992 is a wasteful number, since it uses less digits than its factorization.

76660443992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163823 (or 163819 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 56.

The spelling of 76660443992 in words is "seventy-six billion, six hundred sixty million, four hundred forty-three thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 11 22 44 88 5503 11006 22012 44024 60533 121066 158303 242132 316606 484264 633212 1266424 1741333 3482666 6965332 13930664 871141409 1742282818 3484565636 6969131272 9582555499 19165110998 38330221996 76660443992