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80647148327 = 671303392357
BaseRepresentation
bin100101100011011110…
…0011101001100100111
321201011102211121121112
41023012330131030213
52310131132221302
6101014312135235
75553340310264
oct1130674351447
9251142747545
1080647148327
1131225238209
121376869751b
1377b322ab15
143c90ab626b
152170201552
hex12c6f1d327

80647148327 has 8 divisors (see below), whose sum is σ = 81858003696. Its totient is φ = 79436503872.

The previous prime is 80647148299. The next prime is 80647148333. The reversal of 80647148327 is 72384174608.

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 80647148327 - 210 = 80647147303 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 (80647148347) 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, 827033 + ... + 919389.

It is an arithmetic number, because the mean of its divisors is an integer number (10232250462).

Almost surely, 280647148327 is an apocalyptic number.

80647148327 is a deficient number, since it is larger than the sum of its proper divisors (1210855369).

80647148327 is a wasteful number, since it uses less digits than its factorization.

80647148327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105457.

The product of its (nonzero) digits is 1806336, while the sum is 50.

The spelling of 80647148327 in words is "eighty billion, six hundred forty-seven million, one hundred forty-eight thousand, three hundred twenty-seven".

Divisors: 1 67 13033 92357 873211 6187919 1203688781 80647148327