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76827133079 = 431178253209
BaseRepresentation
bin100011110001101000…
…0010000010010010111
321100022012210201211022
41013203100100102113
52224320221224304
655143252031355
75356563566504
oct1074320202227
9240265721738
1076827133079
112a644a06214
1212a8130255b
1373249a6378
143a0b6144ab
151ee9b7eebe
hex11e3410497

76827133079 has 4 divisors (see below), whose sum is σ = 77005386720. Its totient is φ = 76648879440.

The previous prime is 76827133069. The next prime is 76827133081. The reversal of 76827133079 is 97033172867.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 76827133079 - 224 = 76810355863 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76827133079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76827133049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89126174 + ... + 89127035.

It is an arithmetic number, because the mean of its divisors is an integer number (19251346680).

Almost surely, 276827133079 is an apocalyptic number.

76827133079 is a deficient number, since it is larger than the sum of its proper divisors (178253641).

76827133079 is a wasteful number, since it uses less digits than its factorization.

76827133079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178253640.

The product of its (nonzero) digits is 2667168, while the sum is 53.

The spelling of 76827133079 in words is "seventy-six billion, eight hundred twenty-seven million, one hundred thirty-three thousand, seventy-nine".

Divisors: 1 431 178253209 76827133079