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15013786465055 = 574240310116391
BaseRepresentation
bin1101101001111010101101…
…1010001011001100011111
31222011022012121000100221102
43122132223122023030133
53431441213313340210
651533123245223315
73106465424206220
oct332365332131437
958138177010842
1015013786465055
114869347061854
121825932861b3b
1384ba42515801
1439c957885247
151b0822b67ea5
hexda7ab68b31f

15013786465055 has 16 divisors (see below), whose sum is σ = 20590823345664. Its totient is φ = 10294924050720.

The previous prime is 15013786465049. The next prime is 15013786465063. The reversal of 15013786465055 is 55056468731051.

It is not a de Polignac number, because 15013786465055 - 26 = 15013786464991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3574091 + ... + 6542300.

It is an arithmetic number, because the mean of its divisors is an integer number (1286926459104).

Almost surely, 215013786465055 is an apocalyptic number.

15013786465055 is a deficient number, since it is larger than the sum of its proper divisors (5577036880609).

15013786465055 is a wasteful number, since it uses less digits than its factorization.

15013786465055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10158806.

The product of its (nonzero) digits is 15120000, while the sum is 56.

The spelling of 15013786465055 in words is "fifteen trillion, thirteen billion, seven hundred eighty-six million, four hundred sixty-five thousand, fifty-five".

Divisors: 1 5 7 35 42403 212015 296821 1484105 10116391 50581955 70814737 354073685 428965327573 2144826637865 3002757293011 15013786465055