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80955338995 = 53710319322013
BaseRepresentation
bin100101101100101010…
…0000111000011110011
321201221220202022201201
41023121110013003303
52311244031321440
6101105041512031
75564102012326
oct1133124070363
9251856668651
1080955338995
11313731a6443
1213833942617
137832035a6b
143cbd9bc7bd
15218c2cc19a
hex12d95070f3

80955338995 has 32 divisors (see below), whose sum is σ = 101267217792. Its totient is φ = 62075953152.

The previous prime is 80955338993. The next prime is 80955339037. The reversal of 80955338995 is 59983355908.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 80955338995 - 21 = 80955338993 is a prime.

It is a super-2 number, since 2×809553389952 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80955338993) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3666609 + ... + 3688621.

It is an arithmetic number, because the mean of its divisors is an integer number (3164600556).

Almost surely, 280955338995 is an apocalyptic number.

80955338995 is a deficient number, since it is larger than the sum of its proper divisors (20311878797).

80955338995 is a wasteful number, since it uses less digits than its factorization.

80955338995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22351.

The product of its (nonzero) digits is 52488000, while the sum is 64.

The spelling of 80955338995 in words is "eighty billion, nine hundred fifty-five million, three hundred thirty-eight thousand, nine hundred ninety-five".

Divisors: 1 5 37 103 185 193 515 965 3811 7141 19055 19879 22013 35705 99395 110065 735523 814481 2267339 3677615 4072405 4248509 11336695 21242545 83891543 157194833 419457715 437596427 785974165 2187982135 16191067799 80955338995