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13125116112 = 243273439919
BaseRepresentation
bin11000011100101000…
…10110000011010000
31020212201012222111120
430032110112003100
5203340012203422
610010220442240
7643152434433
oct141624260320
936781188446
1013125116112
115625870aa9
1226636a9380
13131229a4c4
148c721781a
1551c41845c
hex30e5160d0

13125116112 has 20 divisors (see below), whose sum is σ = 33906550080. Its totient is φ = 4375038688.

The previous prime is 13125116111. The next prime is 13125116113. The reversal of 13125116112 is 21161152131.

It is an interprime number because it is at equal distance from previous prime (13125116111) and next prime (13125116113).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13125116111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136719912 + ... + 136720007.

It is an arithmetic number, because the mean of its divisors is an integer number (1695327504).

Almost surely, 213125116112 is an apocalyptic number.

13125116112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13125116112 is an abundant number, since it is smaller than the sum of its proper divisors (20781433968).

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

13125116112 is a wasteful number, since it uses less digits than its factorization.

13125116112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273439930 (or 273439924 counting only the distinct ones).

The product of its digits is 360, while the sum is 24.

Adding to 13125116112 its reverse (21161152131), we get a palindrome (34286268243).

The spelling of 13125116112 in words is "thirteen billion, one hundred twenty-five million, one hundred sixteen thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 273439919 546879838 820319757 1093759676 1640639514 2187519352 3281279028 4375038704 6562558056 13125116112