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15130005551 = 17418690411
BaseRepresentation
bin11100001011101000…
…11001000000101111
31110001102202220202222
432011310121000233
5221441240134201
610541200305555
71043635632233
oct160564310057
943042686688
1015130005551
116464548121
122b230122bb
13157176720b
14a375c65c3
155d844491b
hex385d1902f

15130005551 has 4 divisors (see below), whose sum is σ = 15138697704. Its totient is φ = 15121313400.

The previous prime is 15130005493. The next prime is 15130005557. The reversal of 15130005551 is 15550003151.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 15130005551 - 214 = 15129989167 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15130005551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15130005557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4343465 + ... + 4346946.

It is an arithmetic number, because the mean of its divisors is an integer number (3784674426).

Almost surely, 215130005551 is an apocalyptic number.

15130005551 is a deficient number, since it is larger than the sum of its proper divisors (8692153).

15130005551 is an equidigital number, since it uses as much as digits as its factorization.

15130005551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8692152.

The product of its (nonzero) digits is 1875, while the sum is 26.

The spelling of 15130005551 in words is "fifteen billion, one hundred thirty million, five thousand, five hundred fifty-one".

Divisors: 1 1741 8690411 15130005551