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15290505102804 = 2231274208758567
BaseRepresentation
bin1101111010000001100100…
…1000000000010111010100
32000010202110120221122122120
43132200121020000113110
54001004423301242204
652304205554055540
73135462653626101
oct336403110002724
960122416848576
1015290505102804
114965737564aa8
12186b49b27a5b0
1386bb71bb1809
143ac0c89b7aa8
151b7b1b48a6d9
hexde8192005d4

15290505102804 has 12 divisors (see below), whose sum is σ = 35677845239904. Its totient is φ = 5096835034264.

The previous prime is 15290505102799. The next prime is 15290505102839. The reversal of 15290505102804 is 40820150509251.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 637104379272 + ... + 637104379295.

It is an arithmetic number, because the mean of its divisors is an integer number (2973153769992).

Almost surely, 215290505102804 is an apocalyptic number.

It is an amenable number.

15290505102804 is an abundant number, since it is smaller than the sum of its proper divisors (20387340137100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15290505102804 is a wasteful number, since it uses less digits than its factorization.

15290505102804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274208758574 (or 1274208758572 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 42.

The spelling of 15290505102804 in words is "fifteen trillion, two hundred ninety billion, five hundred five million, one hundred two thousand, eight hundred four".

Divisors: 1 2 3 4 6 12 1274208758567 2548417517134 3822626275701 5096835034268 7645252551402 15290505102804