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23212032400 = 2452232523047
BaseRepresentation
bin10101100111100010…
…111000000110010000
32012220200112102100201
4111213202320012100
5340014240014100
614355150224544
71451134006564
oct254742700620
965820472321
1023212032400
119931650557
1245b97b5154
13225bc9a11b
1411a2b236a4
1590cc4436a
hex5678b8190

23212032400 has 60 divisors (see below), whose sum is σ = 58191579072. Its totient is φ = 8881121920.

The previous prime is 23212032383. The next prime is 23212032451. The reversal of 23212032400 is 423021232.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1252324 + ... + 1270723.

Almost surely, 223212032400 is an apocalyptic number.

23212032400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23212032400 is an abundant number, since it is smaller than the sum of its proper divisors (34979546672).

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

23212032400 is a wasteful number, since it uses less digits than its factorization.

23212032400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2523088 (or 2523077 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 23212032400 its reverse (423021232), we get a palindrome (23635053632).

The spelling of 23212032400 in words is "twenty-three billion, two hundred twelve million, thirty-two thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 23 25 40 46 50 80 92 100 115 184 200 230 368 400 460 575 920 1150 1840 2300 4600 9200 2523047 5046094 10092188 12615235 20184376 25230470 40368752 50460940 58030081 63076175 100921880 116060162 126152350 201843760 232120324 252304700 290150405 464240648 504609400 580300810 928481296 1009218800 1160601620 1450752025 2321203240 2901504050 4642406480 5803008100 11606016200 23212032400