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13112556600 = 233521113672281
BaseRepresentation
bin11000011011001000…
…11011110000111000
31020211211120220002110
430031210123300320
5203323303302400
610005051332320
7642640614663
oct141544336070
936754526073
1013112556600
115619772940
12265b4510a0
13130c7c0940
148c56a86da
1551b286e50
hex30d91bc38

13112556600 has 384 divisors, whose sum is σ = 48489396480. Its totient is φ = 2889216000.

The previous prime is 13112556581. The next prime is 13112556619. The reversal of 13112556600 is 665521131.

It is an interprime number because it is at equal distance from previous prime (13112556581) and next prime (13112556619).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5747460 + ... + 5749740.

It is an arithmetic number, because the mean of its divisors is an integer number (126274470).

Almost surely, 213112556600 is an apocalyptic number.

13112556600 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 13112556600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24244698240).

13112556600 is an abundant number, since it is smaller than the sum of its proper divisors (35376839880).

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

13112556600 is a wasteful number, since it uses less digits than its factorization.

13112556600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2391 (or 2382 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The spelling of 13112556600 in words is "thirteen billion, one hundred twelve million, five hundred fifty-six thousand, six hundred".