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13001302320 = 243554172093
BaseRepresentation
bin11000001101111000…
…00010000100110000
31020120002020120220120
430012330002010300
5203111313133240
65550035010240
7640120150326
oct140674020460
936502216816
1013001302320
115571994956
12262a139980
1312c27396c6
148b49c7d16
1551160cad0
hex306f02130

13001302320 has 40 divisors (see below), whose sum is σ = 40304037936. Its totient is φ = 3467013888.

The previous prime is 13001302231. The next prime is 13001302343. The reversal of 13001302320 is 2320310031.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 13001302320.

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, 27085807 + ... + 27086286.

Almost surely, 213001302320 is an apocalyptic number.

13001302320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13001302320 is an abundant number, since it is smaller than the sum of its proper divisors (27302735616).

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

13001302320 is a wasteful number, since it uses less digits than its factorization.

13001302320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54172109 (or 54172103 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 13001302320 its reverse (2320310031), we get a palindrome (15321612351).

The spelling of 13001302320 in words is "thirteen billion, one million, three hundred two thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 54172093 108344186 162516279 216688372 270860465 325032558 433376744 541720930 650065116 812581395 866753488 1083441860 1300130232 1625162790 2166883720 2600260464 3250325580 4333767440 6500651160 13001302320