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890742105175 = 52133044990011
BaseRepresentation
bin11001111011001000101…
…11011110010001010111
310011011011100102022000211
430331210113132101113
5104043214434331200
61521111250350251
7121232263653346
oct14754427362127
93134140368024
10890742105175
1131384177344a
1212476b88b387
1365cc5760b30
143117da3bb5d
15182848ababa
hexcf645de457

890742105175 has 24 divisors (see below), whose sum is σ = 1189535583600. Its totient is φ = 657749875200.

The previous prime is 890742105139. The next prime is 890742105179. The reversal of 890742105175 is 571501247098.

It is not a de Polignac number, because 890742105175 - 233 = 882152170583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890742105179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9850920 + ... + 9940930.

It is an arithmetic number, because the mean of its divisors is an integer number (49563982650).

Almost surely, 2890742105175 is an apocalyptic number.

890742105175 is a deficient number, since it is larger than the sum of its proper divisors (298793478425).

890742105175 is a wasteful number, since it uses less digits than its factorization.

890742105175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120483 (or 120478 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 49.

The spelling of 890742105175 in words is "eight hundred ninety billion, seven hundred forty-two million, one hundred five thousand, one hundred seventy-five".

Divisors: 1 5 13 25 65 325 30449 90011 152245 395837 450055 761225 1170143 1979185 2250275 5850715 9895925 29253575 2740744939 13703724695 35629684207 68518623475 178148421035 890742105175