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15155255150 = 252743300729
BaseRepresentation
bin11100001110101001…
…01101011101101110
31110010012021201201022
432013110231131232
5222014221131100
610543501414142
71044363354230
oct160724553556
943105251638
1015155255150
116477823562
122b2b56a352
131576a67bc9
14a3aaba250
155da780e85
hex38752d76e

15155255150 has 24 divisors (see below), whose sum is σ = 32215743120. Its totient is φ = 5196087360.

The previous prime is 15155255123. The next prime is 15155255249. The reversal of 15155255150 is 5155255151.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 15155255150.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21650015 + ... + 21650714.

It is an arithmetic number, because the mean of its divisors is an integer number (1342322630).

Almost surely, 215155255150 is an apocalyptic number.

15155255150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15155255150 is an abundant number, since it is smaller than the sum of its proper divisors (17060487970).

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

15155255150 is a wasteful number, since it uses less digits than its factorization.

15155255150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43300748 (or 43300743 counting only the distinct ones).

The product of its (nonzero) digits is 31250, while the sum is 35.

Subtracting from 15155255150 its reverse (5155255151), we obtain a palindrome (9999999999).

The spelling of 15155255150 in words is "fifteen billion, one hundred fifty-five million, two hundred fifty-five thousand, one hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 43300729 86601458 216503645 303105103 433007290 606210206 1082518225 1515525515 2165036450 3031051030 7577627575 15155255150