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23038358480 = 2452347266401
BaseRepresentation
bin10101011101001100…
…010111001111010000
32012110120201212112022
4111131030113033100
5334140304432410
614330023551012
71443624546614
oct253514271720
965416655468
1023038358480
119852609795
12456b5bb468
132231ccc7a7
141187a35344
158ec88a455
hex55d3173d0

23038358480 has 80 divisors (see below), whose sum is σ = 57082489344. Its totient is φ = 8627097600.

The previous prime is 23038358471. The next prime is 23038358501. The reversal of 23038358480 is 8485383032.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×230383584802 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 46721 + ... + 219680.

Almost surely, 223038358480 is an apocalyptic number.

23038358480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23038358480 is an abundant number, since it is smaller than the sum of its proper divisors (34044130864).

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

23038358480 is a wasteful number, since it uses less digits than its factorization.

23038358480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266484 (or 266478 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 23038358480 in words is "twenty-three billion, thirty-eight million, three hundred fifty-eight thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 23 40 46 47 80 92 94 115 184 188 230 235 368 376 460 470 752 920 940 1081 1840 1880 2162 3760 4324 5405 8648 10810 17296 21620 43240 86480 266401 532802 1065604 1332005 2131208 2664010 4262416 5328020 6127223 10656040 12254446 12520847 21312080 24508892 25041694 30636115 49017784 50083388 61272230 62604235 98035568 100166776 122544460 125208470 200333552 245088920 250416940 287979481 490177840 500833880 575958962 1001667760 1151917924 1439897405 2303835848 2879794810 4607671696 5759589620 11519179240 23038358480