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13407804380 = 2251477945361
BaseRepresentation
bin11000111110010101…
…01101101111011100
31021121102011000220102
430133022231233130
5204424344220010
610054235440232
7653154312455
oct143712555734
937542130812
1013407804380
1157603a0973
1227222b6078
131358a16679
149129a212c
15537157ba5
hex31f2adbdc

13407804380 has 24 divisors (see below), whose sum is σ = 28158915120. Its totient is φ = 5362640640.

The previous prime is 13407804359. The next prime is 13407804413. The reversal of 13407804380 is 8340870431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272900 + ... + 318260.

It is an arithmetic number, because the mean of its divisors is an integer number (1173288130).

Almost surely, 213407804380 is an apocalyptic number.

13407804380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13407804380 is an abundant number, since it is smaller than the sum of its proper divisors (14751110740).

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

13407804380 is a wasteful number, since it uses less digits than its factorization.

13407804380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60149 (or 60147 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 13407804380 in words is "thirteen billion, four hundred seven million, eight hundred four thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 14779 29558 45361 59116 73895 90722 147790 181444 226805 295580 453610 907220 670390219 1340780438 2681560876 3351951095 6703902190 13407804380