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15555056560005 = 3512712016798821
BaseRepresentation
bin1110001001011011000110…
…0111101110011110000101
32001002001022122012010102010
43202112301213232132011
54014323223434410010
653025521102004433
73163546542125244
oct342266147563605
961061278163363
1015555056560005
114a579539aa436
1218b2810b76719
1388aab28b00c1
143bac23c1095b
151be951a17620
hexe25b19ee785

15555056560005 has 32 divisors (see below), whose sum is σ = 25104949383168. Its totient is φ = 8223852672000.

The previous prime is 15555056559943. The next prime is 15555056560007. The reversal of 15555056560005 is 50006565055551.

It is not a de Polignac number, because 15555056560005 - 213 = 15555056551813 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15555056560007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1111506 + ... + 5687315.

It is an arithmetic number, because the mean of its divisors is an integer number (784529668224).

Almost surely, 215555056560005 is an apocalyptic number.

15555056560005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15555056560005 is a deficient number, since it is larger than the sum of its proper divisors (9549892823163).

15555056560005 is a wasteful number, since it uses less digits than its factorization.

15555056560005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6800157.

The product of its (nonzero) digits is 2812500, while the sum is 48.

The spelling of 15555056560005 in words is "fifteen trillion, five hundred fifty-five billion, fifty-six million, five hundred sixty thousand, five".

Divisors: 1 3 5 15 127 381 635 1201 1905 3603 6005 18015 152527 457581 762635 2287905 6798821 20396463 33994105 101982315 863450267 2590350801 4317251335 8165384021 12951754005 24496152063 40826920105 122480760315 1037003770667 3111011312001 5185018853335 15555056560005