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13053685008 = 24371317367479
BaseRepresentation
bin11000010100000111…
…10110110100010000
31020200201210220110010
430022003312310100
5203213220410013
65555145434520
7641324330460
oct141203666420
936621726403
1013053685008
115599512831
12264379ba40
13130054a490
148bb941ba0
155160087c3
hex30a0f6d10

13053685008 has 320 divisors, whose sum is σ = 44157173760. Its totient is φ = 3224641536.

The previous prime is 13053684971. The next prime is 13053685009. The reversal of 13053685008 is 80058635031.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (13053685009) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27251713 + ... + 27252191.

It is an arithmetic number, because the mean of its divisors is an integer number (137991168).

Almost surely, 213053685008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13053685008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22078586880).

13053685008 is an abundant number, since it is smaller than the sum of its proper divisors (31103488752).

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

13053685008 is a wasteful number, since it uses less digits than its factorization.

13053685008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894 (or 888 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 13053685008 in words is "thirteen billion, fifty-three million, six hundred eighty-five thousand, eight".