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23121230003104 = 253743478394949
BaseRepresentation
bin1010100000111010101001…
…01100110111101110100000
310000212100221021101000122211
411100131110230313232200
511012304234340044404
6121101425121211504
74604311430220202
oct520352454675640
9100770837330584
1023121230003104
117404727627422
122715071190b94
13cb9426a9898c
1459d10599a772
152a1682545b04
hex150754b37ba0

23121230003104 has 96 divisors (see below), whose sum is σ = 47847908908800. Its totient is φ = 10984168000512.

The previous prime is 23121230003099. The next prime is 23121230003143. The reversal of 23121230003104 is 40130003212132.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243464622 + ... + 243559570.

It is an arithmetic number, because the mean of its divisors is an integer number (498415717800).

Almost surely, 223121230003104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23121230003104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23923954454400).

23121230003104 is an abundant number, since it is smaller than the sum of its proper divisors (24726678905696).

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

23121230003104 is a wasteful number, since it uses less digits than its factorization.

23121230003104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99822 (or 99814 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 23121230003104 its reverse (40130003212132), we get a palindrome (63251233215236).

The spelling of 23121230003104 in words is "twenty-three trillion, one hundred twenty-one billion, two hundred thirty million, three thousand, one hundred four".

Divisors: 1 2 4 8 16 32 37 43 74 86 148 172 296 344 592 688 1184 1376 1591 3182 4783 6364 9566 12728 19132 25456 38264 50912 76528 94949 153056 176971 189898 205669 353942 379796 411338 707884 759592 822676 1415768 1519184 1645352 2831536 3038368 3290704 3513113 4082807 5663072 6581408 7026226 7609753 8165614 14052452 15219506 16331228 28104904 30439012 32662456 56209808 60878024 65324912 112419616 121756048 130649824 151063859 243512096 302127718 454141067 604255436 908282134 1208510872 1816564268 2417021744 3633128536 4834043488 7266257072 14532514144 16803219479 19528065881 33606438958 39056131762 67212877916 78112263524 134425755832 156224527048 268851511664 312449054096 537703023328 624898108192 722538437597 1445076875194 2890153750388 5780307500776 11560615001552 23121230003104