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23431243433400 = 233252111962284007
BaseRepresentation
bin1010101001111100000101…
…11100010000010110111000
310001222000010122100000102200
411110332002330100112320
511032344141304332100
6121500055321030200
74635565025002065
oct524760274202670
9101860118300380
1023431243433400
117514153081050
122765170025360
13100c731307a6a
145b0114959c6c
152a9778d66e00
hex154f82f105b8

23431243433400 has 288 divisors, whose sum is σ = 90361638806400. Its totient is φ = 5381338118400.

The previous prime is 23431243433399. The next prime is 23431243433453. The reversal of 23431243433400 is 433434213432.

23431243433400 is a `hidden beast` number, since 2 + 3 + 4 + 3 + 1 + 243 + 4 + 3 + 3 + 400 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 30765804 + ... + 31518203.

It is an arithmetic number, because the mean of its divisors is an integer number (313755690300).

Almost surely, 223431243433400 is an apocalyptic number.

23431243433400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23431243433400 is an abundant number, since it is smaller than the sum of its proper divisors (66930395373000).

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

23431243433400 is a wasteful number, since it uses less digits than its factorization.

23431243433400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62284059 (or 62284047 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 36.

Adding to 23431243433400 its reverse (433434213432), we get a palindrome (23864677646832).

The spelling of 23431243433400 in words is "twenty-three trillion, four hundred thirty-one billion, two hundred forty-three million, four hundred thirty-three thousand, four hundred".