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23164882400 = 25521123114451
BaseRepresentation
bin10101100100101111…
…000000110111100000
32012210101210221201102
4111210233000313200
5334420202214100
614350343453532
71450022152202
oct254457006740
965711727642
1023164882400
119907a77010
1245a5a572a8
13225229c00a
14119a76c772
15908a2dcd5
hex564bc0de0

23164882400 has 144 divisors (see below), whose sum is σ = 64375129728. Its totient is φ = 8057280000.

The previous prime is 23164882399. The next prime is 23164882451. The reversal of 23164882400 is 428846132.

It is a super-2 number, since 2×231648824002 (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 23 ways as a sum of consecutive naturals, for example, 145175 + ... + 259625.

It is an arithmetic number, because the mean of its divisors is an integer number (447049512).

Almost surely, 223164882400 is an apocalyptic number.

23164882400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23164882400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32187564864).

23164882400 is an abundant number, since it is smaller than the sum of its proper divisors (41210247328).

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

23164882400 is a wasteful number, since it uses less digits than its factorization.

23164882400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114505 (or 114492 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The spelling of 23164882400 in words is "twenty-three billion, one hundred sixty-four million, eight hundred eighty-two thousand, four hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 23 25 32 40 44 46 50 55 80 88 92 100 110 115 160 176 184 200 220 230 253 275 352 368 400 440 460 506 550 575 736 800 880 920 1012 1100 1150 1265 1760 1840 2024 2200 2300 2530 3680 4048 4400 4600 5060 6325 8096 8800 9200 10120 12650 18400 20240 25300 40480 50600 101200 114451 202400 228902 457804 572255 915608 1144510 1258961 1831216 2289020 2517922 2632373 2861275 3662432 4578040 5035844 5264746 5722550 6294805 9156080 10071688 10529492 11445100 12589610 13161865 18312160 20143376 21058984 22890200 25179220 26323730 28956103 31474025 40286752 42117968 45780400 50358440 52647460 57912206 62948050 65809325 84235936 91560800 100716880 105294920 115824412 125896100 131618650 144780515 201433760 210589840 231648824 251792200 263237300 289561030 421179680 463297648 503584400 526474600 579122060 723902575 926595296 1007168800 1052949200 1158244120 1447805150 2105898400 2316488240 2895610300 4632976480 5791220600 11582441200 23164882400