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76201761085 = 515240352217
BaseRepresentation
bin100011011110111111…
…0101001100100111101
321021200122001112201121
41012331332221210331
52222030122323320
655001232110541
75335231165522
oct1067576514475
9237618045647
1076201761085
112a3539a8a5a
1212927995451
137255266178
14398c545149
151eaecee8aa
hex11bdfa993d

76201761085 has 4 divisors (see below), whose sum is σ = 91442113308. Its totient is φ = 60961408864.

The previous prime is 76201761067. The next prime is 76201761089. The reversal of 76201761085 is 58016710267.

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

It can be written as a sum of positive squares in 2 ways, for example, as 50487393636 + 25714367449 = 224694^2 + 160357^2 .

It is a cyclic number.

It is not a de Polignac number, because 76201761085 - 217 = 76201630013 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 (76201761089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7620176104 + ... + 7620176113.

It is an arithmetic number, because the mean of its divisors is an integer number (22860528327).

Almost surely, 276201761085 is an apocalyptic number.

It is an amenable number.

76201761085 is a deficient number, since it is larger than the sum of its proper divisors (15240352223).

76201761085 is a wasteful number, since it uses less digits than its factorization.

76201761085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15240352222.

The product of its (nonzero) digits is 141120, while the sum is 43.

The spelling of 76201761085 in words is "seventy-six billion, two hundred one million, seven hundred sixty-one thousand, eighty-five".

Divisors: 1 5 15240352217 76201761085