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23506413395740 = 22511599409943517
BaseRepresentation
bin1010101100001000000110…
…11010111001111100011100
310002020012011100212202100221
411112010003122321330130
511040112113312130430
6121554410334131124
74644165560100202
oct526040332717434
9102205140782327
1023506413395740
117543017607370
12277784a350aa4
13101685087c112
145b3a06037072
152ab6c82a357a
hex1561036b9f1c

23506413395740 has 96 divisors (see below), whose sum is σ = 53955357120000. Its totient is φ = 8531238693120.

The previous prime is 23506413395737. The next prime is 23506413395741. The reversal of 23506413395740 is 4759331460532.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23506413395741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 540144462 + ... + 540187978.

It is an arithmetic number, because the mean of its divisors is an integer number (562034970000).

Almost surely, 223506413395740 is an apocalyptic number.

23506413395740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23506413395740 is an abundant number, since it is smaller than the sum of its proper divisors (30448943724260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23506413395740 is a wasteful number, since it uses less digits than its factorization.

23506413395740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48235 (or 48233 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 52.

The spelling of 23506413395740 in words is "twenty-three trillion, five hundred six billion, four hundred thirteen million, three hundred ninety-five thousand, seven hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 599 1198 2396 2995 4099 5990 6589 8198 11980 13178 16396 20495 26356 32945 40990 43517 45089 65890 81980 87034 90178 131780 174068 180356 217585 225445 435170 450890 478687 870340 901780 957374 1914748 2393435 2455301 4786870 4910602 9573740 9821204 12276505 24553010 26066683 27008311 49106020 52133366 54016622 104266732 108033244 130333415 135041555 178376183 260666830 270083110 286733513 356752366 521333660 540166220 573467026 713504732 891880915 1146934052 1433667565 1783761830 1962138013 2867335130 3567523660 3924276026 5734670260 7848552052 9810690065 19621380130 39242760260 106847333617 213694667234 427389334468 534236668085 1068473336170 1175320669787 2136946672340 2350641339574 4701282679148 5876603348935 11753206697870 23506413395740