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53947579417 = 4011213110909
BaseRepresentation
bin110010001111100001…
…101011110000011001
312011020200212222112221
4302033201223300121
51340441040020132
640441055504041
73616604600434
oct621741536031
9164220788487
1053947579417
1120974002986
12a556b28021
135119869334
14287ab1a81b
15160b212e97
hexc8f86bc19

53947579417 has 8 divisors (see below), whose sum is σ = 54127185480. Its totient is φ = 53768198400.

The previous prime is 53947579397. The next prime is 53947579423. The reversal of 53947579417 is 71497574935.

53947579417 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 16154664201 + 37792915216 = 127101^2 + 194404^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-53947579417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53947571417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430959 + ... + 541867.

It is an arithmetic number, because the mean of its divisors is an integer number (6765898185).

Almost surely, 253947579417 is an apocalyptic number.

It is an amenable number.

53947579417 is a deficient number, since it is larger than the sum of its proper divisors (179606063).

53947579417 is a wasteful number, since it uses less digits than its factorization.

53947579417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112523.

The product of its digits is 33339600, while the sum is 61.

The spelling of 53947579417 in words is "fifty-three billion, nine hundred forty-seven million, five hundred seventy-nine thousand, four hundred seventeen".

Divisors: 1 401 1213 110909 486413 44474509 134532617 53947579417