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76465704961 = 109701520229
BaseRepresentation
bin100011100110110110…
…1100001000000000001
321022101000201021122201
41013031231201000001
52223100210024321
655043341233201
75344614524302
oct1071555410001
9238330637581
1076465704961
112a479995998
12129a0262801
137297b4b589
1439b56107a9
151ec808a291
hex11cdb61001

76465704961 has 4 divisors (see below), whose sum is σ = 77167225300. Its totient is φ = 75764184624.

The previous prime is 76465704949. The next prime is 76465704979. The reversal of 76465704961 is 16940756467.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16940756467 = 23736554629.

It can be written as a sum of positive squares in 2 ways, for example, as 68601562561 + 7864142400 = 261919^2 + 88680^2 .

It is a cyclic number.

It is not a de Polignac number, because 76465704961 - 25 = 76465704929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76465704461) 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, 350760006 + ... + 350760223.

It is an arithmetic number, because the mean of its divisors is an integer number (19291806325).

Almost surely, 276465704961 is an apocalyptic number.

It is an amenable number.

76465704961 is a deficient number, since it is larger than the sum of its proper divisors (701520339).

76465704961 is a wasteful number, since it uses less digits than its factorization.

76465704961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701520338.

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 76465704961 in words is "seventy-six billion, four hundred sixty-five million, seven hundred four thousand, nine hundred sixty-one".

Divisors: 1 109 701520229 76465704961