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23425356666320 = 2457145531287437
BaseRepresentation
bin1010101001110001001000…
…00100000001010111010000
310001221102221101100021010022
411110320210010001113100
511032300112301310240
6121453243231123012
74635266114211620
oct524704404012720
9101842841307108
1023425356666320
11751170215a894
122763ba8673468
13100c003836a2b
145adb16bc4880
152a95321499b5
hex154e241015d0

23425356666320 has 80 divisors (see below), whose sum is σ = 62245163399808. Its totient is φ = 8031467727360.

The previous prime is 23425356666293. The next prime is 23425356666329. The reversal of 23425356666320 is 2366665352432.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23425356666329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81353642 + ... + 81641078.

Almost surely, 223425356666320 is an apocalyptic number.

23425356666320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23425356666320 is an abundant number, since it is smaller than the sum of its proper divisors (38819806733488).

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

23425356666320 is a wasteful number, since it uses less digits than its factorization.

23425356666320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432988 (or 432982 counting only the distinct ones).

The product of its (nonzero) digits is 27993600, while the sum is 53.

The spelling of 23425356666320 in words is "twenty-three trillion, four hundred twenty-five billion, three hundred fifty-six million, six hundred sixty-six thousand, three hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 145531 287437 291062 574874 582124 727655 1018717 1149748 1164248 1437185 1455310 2012059 2037434 2299496 2328496 2874370 2910620 4024118 4074868 4598992 5093585 5748740 5821240 8048236 8149736 10060295 10187170 11497480 11642480 16096472 16299472 20120590 20374340 22994960 32192944 40241180 40748680 80482360 81497360 160964720 41830994047 83661988094 167323976188 209154970235 292816958329 334647952376 418309940470 585633916658 669295904752 836619880940 1171267833316 1464084791645 1673239761880 2342535666632 2928169583290 3346479523760 4685071333264 5856339166580 11712678333160 23425356666320