Search a number
-
+
23878361640924 = 22327213536486191
BaseRepresentation
bin1010110110111100111010…
…10000110110111111011100
310010112202020002010022221200
411123132131100312333130
511112210341040002144
6122441322355555500
75013104030030400
oct533363520667734
9103482202108850
1023878361640924
11767683570311a
122817952bbbb90
13104294864b66b
145c7a0c817100
152b61e7110c69
hex15b79d436fdc

23878361640924 has 54 divisors (see below), whose sum is σ = 70213753877904. Its totient is φ = 6822389039760.

The previous prime is 23878361640923. The next prime is 23878361640961. The reversal of 23878361640924 is 42904616387832.

23878361640924 is a `hidden beast` number, since 2 + 3 + 8 + 7 + 8 + 3 + 616 + 4 + 0 + 9 + 2 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23878361640923) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6768241332 + ... + 6768244859.

Almost surely, 223878361640924 is an apocalyptic number.

It is an amenable number.

23878361640924 is an abundant number, since it is smaller than the sum of its proper divisors (46335392236980).

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

23878361640924 is a wasteful number, since it uses less digits than its factorization.

23878361640924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13536486215 (or 13536486203 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 63.

The spelling of 23878361640924 in words is "twenty-three trillion, eight hundred seventy-eight billion, three hundred sixty-one million, six hundred forty thousand, nine hundred twenty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 49 63 84 98 126 147 196 252 294 441 588 882 1764 13536486191 27072972382 40609458573 54145944764 81218917146 94755403337 121828375719 162437834292 189510806674 243656751438 284266210011 379021613348 487313502876 568532420022 663287823359 852798630033 1137064840044 1326575646718 1705597260066 1989863470077 2653151293436 3411194520132 3979726940154 5969590410231 7959453880308 11939180820462 23878361640924