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15005450003125 = 5510494577449
BaseRepresentation
bin1101101001011011101010…
…0001000110001010110101
31222010111200121111020001011
43122112322201012022311
53431322130200100000
651525224130032221
73106052016355411
oct332267241061265
958114617436034
1015005450003125
11486585937659a
1218241a6a18671
1384b0143795ba
1439c3a6635d41
151b04d5d5a2ba
hexda5ba8462b5

15005450003125 has 24 divisors (see below), whose sum is σ = 18773495685000. Its totient is φ = 11992913760000.

The previous prime is 15005450003069. The next prime is 15005450003293. The reversal of 15005450003125 is 52130005450051.

15005450003125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 14995799298481 + 9650704644 = 3872441^2 + 98238^2 .

It is not a de Polignac number, because 15005450003125 - 213 = 15005449994933 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 989401 + ... + 5566849.

It is an arithmetic number, because the mean of its divisors is an integer number (782228986875).

Almost surely, 215005450003125 is an apocalyptic number.

It is an amenable number.

15005450003125 is a deficient number, since it is larger than the sum of its proper divisors (3768045681875).

15005450003125 is an frugal number, since it uses more digits than its factorization.

15005450003125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4578523 (or 4578503 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

Adding to 15005450003125 its reverse (52130005450051), we get a palindrome (67135455453176).

The spelling of 15005450003125 in words is "fifteen trillion, five billion, four hundred fifty million, three thousand, one hundred twenty-five".

Divisors: 1 5 25 125 625 1049 3125 5245 26225 131125 655625 3278125 4577449 22887245 114436225 572181125 2860905625 4801744001 14304528125 24008720005 120043600025 600218000125 3001090000625 15005450003125