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13054115120 = 245163176439
BaseRepresentation
bin11000010100001010…
…11111110100110000
31020200202121202110012
430022011133310300
5203213323140440
65555202554052
7641331101444
oct141205376460
936622552405
1013054115120
1155997869a2
122643968928
13130066b197
148bba14824
15516090e65
hex30a15fd30

13054115120 has 20 divisors (see below), whose sum is σ = 30350817840. Its totient is φ = 5221646016.

The previous prime is 13054115111. The next prime is 13054115143. The reversal of 13054115120 is 2151145031.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×130541151202 (a number of 21 digits) contains 22 as substring.

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, 81588140 + ... + 81588299.

It is an arithmetic number, because the mean of its divisors is an integer number (1517540892).

Almost surely, 213054115120 is an apocalyptic number.

13054115120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13054115120 is an abundant number, since it is smaller than the sum of its proper divisors (17296702720).

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

13054115120 is a wasteful number, since it uses less digits than its factorization.

13054115120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163176452 (or 163176446 counting only the distinct ones).

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

The spelling of 13054115120 in words is "thirteen billion, fifty-four million, one hundred fifteen thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 163176439 326352878 652705756 815882195 1305411512 1631764390 2610823024 3263528780 6527057560 13054115120