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76575042754561 = 1310975369542301
BaseRepresentation
bin10001011010010100000100…
…001110001101100000000001
3101001010111120101112221121101
4101122110010032031200001
540014101141421121221
6430510031120254401
722062235641640561
oct2132240416154001
9331114511487541
1076575042754561
112244332536719a
12870890aa71401
133395cc32aa040
1414ca3750c0da1
158cbd5c771d91
hex45a50438d801

76575042754561 has 8 divisors (see below), whose sum is σ = 82540604266344. Its totient is φ = 70620220329600.

The previous prime is 76575042754559. The next prime is 76575042754579. The reversal of 76575042754561 is 16545724057567.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6366664400625 + 70208378353936 = 2523225^2 + 8379044^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76575042754561 - 21 = 76575042754559 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76575042754493 and 76575042754502.

It is not an unprimeable number, because it can be changed into a prime (76575042724561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2684756890 + ... + 2684785411.

It is an arithmetic number, because the mean of its divisors is an integer number (10317575533293).

Almost surely, 276575042754561 is an apocalyptic number.

It is an amenable number.

76575042754561 is a deficient number, since it is larger than the sum of its proper divisors (5965561511783).

76575042754561 is a wasteful number, since it uses less digits than its factorization.

76575042754561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5369543411.

The product of its (nonzero) digits is 246960000, while the sum is 64.

The spelling of 76575042754561 in words is "seventy-six trillion, five hundred seventy-five billion, forty-two million, seven hundred fifty-four thousand, five hundred sixty-one".

Divisors: 1 13 1097 14261 5369542301 69804049913 5890387904197 76575042754561