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15135201140 = 225756760057
BaseRepresentation
bin11100001100010000…
…01101011101110100
31110001210112212210012
432012020031131310
5221444102414030
610541503515352
71044031041563
oct160610153564
943053485705
1015135201140
1164674766a4
122b248b8b58
131572866027
14a38179bda
155d8b1e095
hex38620d774

15135201140 has 12 divisors (see below), whose sum is σ = 31783922436. Its totient is φ = 6054080448.

The previous prime is 15135201139. The next prime is 15135201157. The reversal of 15135201140 is 4110253151.

It can be written as a sum of positive squares in 2 ways, for example, as 10659323536 + 4475877604 = 103244^2 + 66902^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378380009 + ... + 378380048.

It is an arithmetic number, because the mean of its divisors is an integer number (2648660203).

Almost surely, 215135201140 is an apocalyptic number.

15135201140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15135201140 is an abundant number, since it is smaller than the sum of its proper divisors (16648721296).

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

15135201140 is a wasteful number, since it uses less digits than its factorization.

15135201140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756760066 (or 756760064 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 15135201140 its reverse (4110253151), we get a palindrome (19245454291).

The spelling of 15135201140 in words is "fifteen billion, one hundred thirty-five million, two hundred one thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 756760057 1513520114 3027040228 3783800285 7567600570 15135201140