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13354026660 = 223351317149751
BaseRepresentation
bin11000110111111011…
…00100011010100100
31021110122221211202000
430123331210122210
5204322112323120
610045035045300
7651632232222
oct143375443244
937418854660
1013354026660
115732aaa977
1227082a0830
13134a837930
149097a3b12
15532583990
hex31bf646a4

13354026660 has 384 divisors, whose sum is σ = 47755008000. Its totient is φ = 3068928000.

The previous prime is 13354026649. The next prime is 13354026661. The reversal of 13354026660 is 6662045331.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (13354026661) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 17781285 + ... + 17782035.

It is an arithmetic number, because the mean of its divisors is an integer number (124362000).

Almost surely, 213354026660 is an apocalyptic number.

13354026660 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 13354026660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23877504000).

13354026660 is an abundant number, since it is smaller than the sum of its proper divisors (34400981340).

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

13354026660 is a wasteful number, since it uses less digits than its factorization.

13354026660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948 (or 940 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 13354026660 in words is "thirteen billion, three hundred fifty-four million, twenty-six thousand, six hundred sixty".