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23155039270 = 25112947154439
BaseRepresentation
bin10101100100001001…
…011101110000100110
32012202201021212111001
4111210021131300212
5334410142224040
614345352503514
71446542405056
oct254411356046
965681255431
1023155039270
1199024637a0
1245a26aab9a
13225023398c
141199329566
15907c3759a
hex56425dc26

23155039270 has 64 divisors (see below), whose sum is σ = 48037017600. Its totient is φ = 7956645760.

The previous prime is 23155039247. The next prime is 23155039273. The reversal of 23155039270 is 7293055132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23155039273) 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, 72711 + ... + 227149.

It is an arithmetic number, because the mean of its divisors is an integer number (750578400).

Almost surely, 223155039270 is an apocalyptic number.

23155039270 is an abundant number, since it is smaller than the sum of its proper divisors (24881978330).

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

23155039270 is a wasteful number, since it uses less digits than its factorization.

23155039270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154533.

The product of its (nonzero) digits is 56700, while the sum is 37.

The spelling of 23155039270 in words is "twenty-three billion, one hundred fifty-five million, thirty-nine thousand, two hundred seventy".

Divisors: 1 2 5 10 11 22 29 47 55 58 94 110 145 235 290 319 470 517 638 1034 1363 1595 2585 2726 3190 5170 6815 13630 14993 29986 74965 149930 154439 308878 772195 1544390 1698829 3397658 4478731 7258633 8494145 8957462 14517266 16988290 22393655 36293165 44787310 49266041 72586330 79844963 98532082 159689926 210500357 246330205 399224815 421000714 492660410 798449630 1052501785 2105003570 2315503927 4631007854 11577519635 23155039270