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13351489536 = 2123711103137
BaseRepresentation
bin11000110111100111…
…11001000000000000
31021110111011221110110
430123303321000000
5204320440131121
610044504431320
7651601534320
oct143363710000
937414157413
1013351489536
115731627780
122707478540
13134a159b88
14909303280
15532231d76
hex31bcf9000

13351489536 has 416 divisors, whose sum is σ = 45141977088. Its totient is φ = 3409182720.

The previous prime is 13351489517. The next prime is 13351489537. The reversal of 13351489536 is 63598415331.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (13351489537) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97456060 + ... + 97456196.

It is an arithmetic number, because the mean of its divisors is an integer number (108514368).

Almost surely, 213351489536 is an apocalyptic number.

13351489536 is a gapful number since it is divisible by the number (16) 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 13351489536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22570988544).

13351489536 is an abundant number, since it is smaller than the sum of its proper divisors (31790487552).

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

13351489536 is a wasteful number, since it uses less digits than its factorization.

13351489536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285 (or 263 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 48.

The spelling of 13351489536 in words is "thirteen billion, three hundred fifty-one million, four hundred eighty-nine thousand, five hundred thirty-six".