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23331720413220 = 2235478273659721
BaseRepresentation
bin1010100111000010101101…
…11010000100000000100100
310001121111020201012202111020
411103201112322010000210
511024231330411210340
6121342235553211140
74625442532202232
oct523412672040044
9101544221182436
1023331720413220
117485a21a09a4a
122749a15b60ab0
1310032305803cb
145a9392dbb952
152a6da19499d0
hex153856e84024

23331720413220 has 48 divisors (see below), whose sum is σ = 66718791998208. Its totient is φ = 6089413553920.

The previous prime is 23331720413213. The next prime is 23331720413227. The reversal of 23331720413220 is 2231402713332.

It is an interprime number because it is at equal distance from previous prime (23331720413213) and next prime (23331720413227).

It is not an unprimeable number, because it can be changed into a prime (23331720413227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4136827041 + ... + 4136832680.

It is an arithmetic number, because the mean of its divisors is an integer number (1389974833296).

Almost surely, 223331720413220 is an apocalyptic number.

23331720413220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23331720413220 is an abundant number, since it is smaller than the sum of its proper divisors (43387071584988).

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

23331720413220 is a wasteful number, since it uses less digits than its factorization.

23331720413220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8273659780 (or 8273659778 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 33.

The spelling of 23331720413220 in words is "twenty-three trillion, three hundred thirty-one billion, seven hundred twenty million, four hundred thirteen thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 47 60 94 141 188 235 282 470 564 705 940 1410 2820 8273659721 16547319442 24820979163 33094638884 41368298605 49641958326 82736597210 99283916652 124104895815 165473194420 248209791630 388862006887 496419583260 777724013774 1166586020661 1555448027548 1944310034435 2333172041322 3888620068870 4666344082644 5832930103305 7777240137740 11665860206610 23331720413220