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80316711 = 338093677
BaseRepresentation
bin1001100100110…
…00100100100111
312121010111211000
410302120210213
5131030113321
611545244343
71663452336
oct462304447
9177114730
1080316711
1141378152
1222a936b3
13138415a7
14a949d1d
1570b7826
hex4c98927

80316711 has 16 divisors (see below), whose sum is σ = 119167200. Its totient is φ = 53463744.

The previous prime is 80316707. The next prime is 80316727. The reversal of 80316711 is 11761308.

It is not a de Polignac number, because 80316711 - 22 = 80316707 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80316791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20005 + ... + 23681.

It is an arithmetic number, because the mean of its divisors is an integer number (7447950).

Almost surely, 280316711 is an apocalyptic number.

80316711 is a deficient number, since it is larger than the sum of its proper divisors (38850489).

80316711 is a wasteful number, since it uses less digits than its factorization.

80316711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4495 (or 4489 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 80316711 is about 8961.9591050172. The cubic root of 80316711 is about 431.4548002677.

The spelling of 80316711 in words is "eighty million, three hundred sixteen thousand, seven hundred eleven".

Divisors: 1 3 9 27 809 2427 3677 7281 11031 21843 33093 99279 2974693 8924079 26772237 80316711