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80867683 = 1324710181
BaseRepresentation
bin1001101000111…
…11000101100011
312122011111121101
410310133011203
5131200231213
612005135231
72001235561
oct464370543
9178144541
1080867683
11417140a6
12230ba517
13139a5300
14aa50a31
157175bdd
hex4d1f163

80867683 has 12 divisors (see below), whose sum is σ = 89438688. Its totient is φ = 73051680.

The previous prime is 80867663. The next prime is 80867687. The reversal of 80867683 is 38676808.

It is a de Polignac number, because none of the positive numbers 2k-80867683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80867687) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2853 + ... + 13033.

It is an arithmetic number, because the mean of its divisors is an integer number (7453224).

Almost surely, 280867683 is an apocalyptic number.

80867683 is a deficient number, since it is larger than the sum of its proper divisors (8571005).

80867683 is a wasteful number, since it uses less digits than its factorization.

80867683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10254 (or 10241 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 80867683 is about 8992.6460510797. The cubic root of 80867683 is about 432.4391449901.

The spelling of 80867683 in words is "eighty million, eight hundred sixty-seven thousand, six hundred eighty-three".

Divisors: 1 13 47 169 611 7943 10181 132353 478507 1720589 6220591 80867683