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13471780768 = 2510118123029
BaseRepresentation
bin11001000101111101…
…10000111110100000
31021202212112101000021
430202332300332200
5210042233441033
610104443003224
7654562150525
oct144276607640
937685471007
1013471780768
115793518316
12273b809514
131369056514
1491b29714c
1553ca93b2d
hex322fb0fa0

13471780768 has 48 divisors (see below), whose sum is σ = 26934321960. Its totient is φ = 6632064000.

The previous prime is 13471780757. The next prime is 13471780783. The reversal of 13471780768 is 86708717431.

It is a happy number.

13471780768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 12944067984 + 527712784 = 113772^2 + 22972^2 .

It is a super-2 number, since 2×134717807682 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 573478 + ... + 596506.

Almost surely, 213471780768 is an apocalyptic number.

It is an amenable number.

13471780768 is a deficient number, since it is larger than the sum of its proper divisors (13462541192).

13471780768 is a wasteful number, since it uses less digits than its factorization.

13471780768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23321 (or 23313 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 52.

The spelling of 13471780768 in words is "thirteen billion, four hundred seventy-one million, seven hundred eighty thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 16 32 101 181 202 362 404 724 808 1448 1616 2896 3232 5792 18281 23029 36562 46058 73124 92116 146248 184232 292496 368464 584992 736928 2325929 4168249 4651858 8336498 9303716 16672996 18607432 33345992 37214864 66691984 74429728 133383968 420993149 841986298 1683972596 3367945192 6735890384 13471780768