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23117848530 = 23571950911383
BaseRepresentation
bin10101100001111011…
…100101111111010010
32012200010022101101020
4111201323211333102
5334321132123110
614341543420310
71445611320210
oct254173457722
965603271336
1023117848530
119893471847
124592154696
132245611a1a
141194407cb0
1590483cd70
hex561ee5fd2

23117848530 has 128 divisors (see below), whose sum is σ = 66883276800. Its totient is φ = 4995696384.

The previous prime is 23117848459. The next prime is 23117848541. The reversal of 23117848530 is 3584871132.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2025219 + ... + 2036601.

It is an arithmetic number, because the mean of its divisors is an integer number (522525600).

Almost surely, 223117848530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23117848530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33441638400).

23117848530 is an abundant number, since it is smaller than the sum of its proper divisors (43765428270).

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

23117848530 is a wasteful number, since it uses less digits than its factorization.

23117848530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11928.

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 23117848530 in words is "twenty-three billion, one hundred seventeen million, eight hundred forty-eight thousand, five hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 19 21 30 35 38 42 57 70 95 105 114 133 190 210 266 285 399 509 570 665 798 1018 1330 1527 1995 2545 3054 3563 3990 5090 7126 7635 9671 10689 11383 15270 17815 19342 21378 22766 29013 34149 35630 48355 53445 56915 58026 67697 68298 79681 96710 106890 113830 135394 145065 159362 170745 203091 216277 239043 290130 338485 341490 398405 406182 432554 478086 648831 676970 796810 1015455 1081385 1195215 1297662 1513939 2030910 2162770 2390430 3027878 3244155 4541817 5793947 6488310 7569695 9083634 11587894 15139390 17381841 22709085 28969735 34763682 40557629 45418170 57939470 81115258 86909205 110084993 121672887 173818410 202788145 220169986 243345774 330254979 405576290 550424965 608364435 660509958 770594951 1100849930 1216728870 1541189902 1651274895 2311784853 3302549790 3852974755 4623569706 7705949510 11558924265 23117848530