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80580041935991 = 1317237579674999
BaseRepresentation
bin10010010100100110000000…
…110001101000110001110111
3101120022101011200002101020022
4102110212000301220301313
541030210411213422431
6443213543224155355
722654500362201663
oct2224460061506167
9346271150071208
1080580041935991
1123747892a56864
129054b51008b5b
1335c6885a088a0
1415c814834b8a3
1594b11257107b
hex494980c68c77

80580041935991 has 24 divisors (see below), whose sum is σ = 94674839700000. Its totient is φ = 68114130964992.

The previous prime is 80580041935963. The next prime is 80580041935997. The reversal of 80580041935991 is 19953914008508.

It is not a de Polignac number, because 80580041935991 - 214 = 80580041919607 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 (80580041935997) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 289698491 + ... + 289976508.

It is an arithmetic number, because the mean of its divisors is an integer number (3944784987500).

Almost surely, 280580041935991 is an apocalyptic number.

80580041935991 is a deficient number, since it is larger than the sum of its proper divisors (14094797764009).

80580041935991 is a wasteful number, since it uses less digits than its factorization.

80580041935991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579675083 (or 579675066 counting only the distinct ones).

The product of its (nonzero) digits is 13996800, while the sum is 62.

The spelling of 80580041935991 in words is "eighty trillion, five hundred eighty billion, forty-one million, nine hundred thirty-five thousand, nine hundred ninety-one".

Divisors: 1 13 17 37 221 289 481 629 3757 8177 10693 139009 579674999 7535774987 9854474983 21447974963 128108174779 167526074711 278823674519 364615574371 2177838971243 4740002466823 6198464764307 80580041935991