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80515113 = 373834053
BaseRepresentation
bin1001100110010…
…01000000101001
312121111120222020
410303021000221
5131102440423
611553415053
71665236640
oct463110051
9177446866
1080515113
11414a3218
1222b6a489
13138b09a3
14a99c357
1571064e3
hex4cc9029

80515113 has 8 divisors (see below), whose sum is σ = 122689728. Its totient is φ = 46008624.

The previous prime is 80515087. The next prime is 80515133. The reversal of 80515113 is 31151508.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80515113 - 25 = 80515081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80515133) 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, 1917006 + ... + 1917047.

It is an arithmetic number, because the mean of its divisors is an integer number (15336216).

Almost surely, 280515113 is an apocalyptic number.

It is an amenable number.

80515113 is a deficient number, since it is larger than the sum of its proper divisors (42174615).

80515113 is a wasteful number, since it uses less digits than its factorization.

80515113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3834063.

The product of its (nonzero) digits is 600, while the sum is 24.

The square root of 80515113 is about 8973.0213975004. The cubic root of 80515113 is about 431.8097745738.

The spelling of 80515113 in words is "eighty million, five hundred fifteen thousand, one hundred thirteen".

Divisors: 1 3 7 21 3834053 11502159 26838371 80515113