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61327568874653 = 193599573792467
BaseRepresentation
bin11011111000110111011111…
…11101010010110010011101
322001010212011201102220112222
431330123233331102302131
531014242330112442103
6334233255102435125
715626525220246014
oct1574335775226235
9261125151386488
1061327568874653
11185a496a906924
126a6583a892aa5
13282b21b474ac3
1411203ad4c7a7b
1571540de7d638
hex37c6eff52c9d

61327568874653 has 16 divisors (see below), whose sum is σ = 61759673097600. Its totient is φ = 60896681404416.

The previous prime is 61327568874623. The next prime is 61327568874659. The reversal of 61327568874653 is 35647886572316.

It is a cyclic number.

It is not a de Polignac number, because 61327568874653 - 224 = 61327552097437 is a prime.

It is a super-2 number, since 2×613275688746532 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61327568874659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 663191126 + ... + 663283592.

It is an arithmetic number, because the mean of its divisors is an integer number (3859979568600).

Almost surely, 261327568874653 is an apocalyptic number.

It is an amenable number.

61327568874653 is a deficient number, since it is larger than the sum of its proper divisors (432104222947).

61327568874653 is a wasteful number, since it uses less digits than its factorization.

61327568874653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98996.

The product of its digits is 1219276800, while the sum is 71.

The spelling of 61327568874653 in words is "sixty-one trillion, three hundred twenty-seven billion, five hundred sixty-eight million, eight hundred seventy-four thousand, six hundred fifty-three".

Divisors: 1 193 599 5737 92467 115607 1107241 3436463 17846131 55387733 530483179 663237359 10689832469 102383253547 317759424221 61327568874653