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76812968901 = 325604322967
BaseRepresentation
bin100011110001001101…
…0001110001111000101
321100021020011010020010
41013202122032033011
52224303110001101
655142024300433
75356332314514
oct1074232161705
9240236133203
1076812968901
112a637a11489
1212a78611719
137321a872b6
143a097a867b
151ee87d32d6
hex11e268e3c5

76812968901 has 4 divisors (see below), whose sum is σ = 102417291872. Its totient is φ = 51208645932.

The previous prime is 76812968899. The next prime is 76812968957. The reversal of 76812968901 is 10986921867.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 76812968901 - 21 = 76812968899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76812968971) 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, 12802161481 + ... + 12802161486.

It is an arithmetic number, because the mean of its divisors is an integer number (25604322968).

Almost surely, 276812968901 is an apocalyptic number.

It is an amenable number.

76812968901 is a deficient number, since it is larger than the sum of its proper divisors (25604322971).

76812968901 is a wasteful number, since it uses less digits than its factorization.

76812968901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25604322970.

The product of its (nonzero) digits is 2612736, while the sum is 57.

The spelling of 76812968901 in words is "seventy-six billion, eight hundred twelve million, nine hundred sixty-eight thousand, nine hundred one".

Divisors: 1 3 25604322967 76812968901