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15255055530660 = 223511671392481877
BaseRepresentation
bin1101110111111101100000…
…1010100111101010100100
32000000100222001022210200010
43131333120022213222210
53444414323203440120
652240024210450220
73133066332344601
oct335773012475244
960010861283603
1015255055530660
1149516a616a840
121864647293970
138687127b0b1a
143aa4c48c16a8
151b6c442037e0
hexddfd82a7aa4

15255055530660 has 192 divisors, whose sum is σ = 47632996776960. Its totient is φ = 3616788257280.

The previous prime is 15255055530623. The next prime is 15255055530667. The reversal of 15255055530660 is 6603555055251.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (15255055530667) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4905642 + ... + 7387518.

It is an arithmetic number, because the mean of its divisors is an integer number (248088524880).

Almost surely, 215255055530660 is an apocalyptic number.

15255055530660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15255055530660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23816498388480).

15255055530660 is an abundant number, since it is smaller than the sum of its proper divisors (32377941246300).

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

15255055530660 is a wasteful number, since it uses less digits than its factorization.

15255055530660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2482106 (or 2482104 counting only the distinct ones).

The product of its (nonzero) digits is 3375000, while the sum is 48.

The spelling of 15255055530660 in words is "fifteen trillion, two hundred fifty-five billion, fifty-five million, five hundred thirty thousand, six hundred sixty".