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23021302321020 = 223519157128624999
BaseRepresentation
bin1010011110000000100001…
…00011000000111101111100
310000111211000010210210221110
411033000100203000331330
511004140111343233040
6120543501300202020
74564143222021123
oct517002043007574
9100454003723843
1023021302321020
117376308aa58a3
1226b9823699310
13cacb90259b03
145983463a2aba
1529dc84843980
hex14f0108c0f7c

23021302321020 has 96 divisors (see below), whose sum is σ = 68284440000000. Its totient is φ = 5778863910144.

The previous prime is 23021302321019. The next prime is 23021302321021. The reversal of 23021302321020 is 2012320312032.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23021302321019) and next prime (23021302321021).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23021302321021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64133520 + ... + 64491479.

It is an arithmetic number, because the mean of its divisors is an integer number (711296250000).

Almost surely, 223021302321020 is an apocalyptic number.

23021302321020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23021302321020 is an abundant number, since it is smaller than the sum of its proper divisors (45263137678980).

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

23021302321020 is a wasteful number, since it uses less digits than its factorization.

23021302321020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128625187 (or 128625185 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23021302321020 its reverse (2012320312032), we get a palindrome (25033622633052).

The spelling of 23021302321020 in words is "twenty-three trillion, twenty-one billion, three hundred two million, three hundred twenty-one thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 157 190 228 285 314 380 471 570 628 785 942 1140 1570 1884 2355 2983 3140 4710 5966 8949 9420 11932 14915 17898 29830 35796 44745 59660 89490 178980 128624999 257249998 385874997 514499996 643124995 771749994 1286249990 1543499988 1929374985 2443874981 2572499980 3858749970 4887749962 7331624943 7717499940 9775499924 12219374905 14663249886 20194124843 24438749810 29326499772 36658124715 40388249686 48877499620 60582374529 73316249430 80776499372 100970624215 121164749058 146632498860 201941248430 242329498116 302911872645 383688372017 403882496860 605823745290 767376744034 1151065116051 1211647490580 1534753488068 1918441860085 2302130232102 3836883720170 4604260464204 5755325580255 7673767440340 11510651160510 23021302321020