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193474489975 = 52135314517741
BaseRepresentation
bin1011010000101111111…
…0100110111001110111
3200111101120101102120221
42310023332212321313
511132213432134400
6224514141435211
716656323013304
oct2641376467167
9614346342527
10193474489975
117506333aa08
12315b626bb07
1315324408c40
14951559a0ab
155075634c1a
hex2d0bfa6e77

193474489975 has 48 divisors (see below), whose sum is σ = 263453075424. Its totient is φ = 140063040000.

The previous prime is 193474489961. The next prime is 193474489979. The reversal of 193474489975 is 579984474391.

It is not a de Polignac number, because 193474489975 - 27 = 193474489847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193474489979) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24989605 + ... + 24997345.

It is an arithmetic number, because the mean of its divisors is an integer number (5488605738).

Almost surely, 2193474489975 is an apocalyptic number.

193474489975 is a deficient number, since it is larger than the sum of its proper divisors (69978585449).

193474489975 is a wasteful number, since it uses less digits than its factorization.

193474489975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9268 (or 9263 counting only the distinct ones).

The product of its digits is 274337280, while the sum is 70.

The spelling of 193474489975 in words is "one hundred ninety-three billion, four hundred seventy-four million, four hundred eighty-nine thousand, nine hundred seventy-five".

Divisors: 1 5 13 25 53 65 265 325 689 1325 1451 3445 7255 7741 17225 18863 36275 38705 76903 94315 100633 193525 384515 410273 471575 503165 999739 1922575 2051365 2515825 4998695 5333549 10256825 11232191 24993475 26667745 56160955 133338725 146018483 280804775 595306123 730092415 2976530615 3650462075 7738979599 14882653075 38694897995 193474489975