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11179639390 = 258641129379
BaseRepresentation
bin10100110100101101…
…11100001001011110
31001212010110112011011
422122112330021132
5140343441430030
65045202245434
7544020236563
oct123226741136
931763415134
1011179639390
1148176845a7
12220005687a
13109220334a
14780ab286a
15456725b2a
hex29a5bc25e

11179639390 has 16 divisors (see below), whose sum is σ = 20125835280. Its totient is φ = 4471303680.

The previous prime is 11179639381. The next prime is 11179639421. The reversal of 11179639390 is 9393697111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21721 + ... + 151099.

It is an arithmetic number, because the mean of its divisors is an integer number (1257864705).

Almost surely, 211179639390 is an apocalyptic number.

11179639390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11179639390 is a deficient number, since it is larger than the sum of its proper divisors (8946195890).

11179639390 is a wasteful number, since it uses less digits than its factorization.

11179639390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138027.

The product of its (nonzero) digits is 275562, while the sum is 49.

The spelling of 11179639390 in words is "eleven billion, one hundred seventy-nine million, six hundred thirty-nine thousand, three hundred ninety".

Divisors: 1 2 5 10 8641 17282 43205 86410 129379 258758 646895 1293790 1117963939 2235927878 5589819695 11179639390