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13349376072 = 2335171492711
BaseRepresentation
bin11000110111010111…
…10101000001001000
31021110100012120100000
430123223311001020
5204314420013242
610044351243000
7651544552524
oct143353650110
937410176300
1013349376072
11573041390a
122706819460
131349899bc6
14908d12d84
15531e65a4c
hex31baf5048

13349376072 has 192 divisors, whose sum is σ = 39980304000. Its totient is φ = 4158397440.

The previous prime is 13349376071. The next prime is 13349376107. The reversal of 13349376072 is 27067394331.

It is a happy number.

13349376072 is a `hidden beast` number, since 1 + 3 + 3 + 4 + 9 + 37 + 607 + 2 = 666.

It is a super-2 number, since 2×133493760722 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13349376071) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4922797 + ... + 4925507.

It is an arithmetic number, because the mean of its divisors is an integer number (208230750).

Almost surely, 213349376072 is an apocalyptic number.

13349376072 is a gapful number since it is divisible by the number (12) 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 13349376072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19990152000).

13349376072 is an abundant number, since it is smaller than the sum of its proper divisors (26630927928).

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

13349376072 is a wasteful number, since it uses less digits than its factorization.

13349376072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2898 (or 2882 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 45.

The spelling of 13349376072 in words is "thirteen billion, three hundred forty-nine million, three hundred seventy-six thousand, seventy-two".