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23200431320000 = 26541163183563
BaseRepresentation
bin1010100011001110001010…
…11101111010101111000000
310001010221100221121210102002
411101213011131322233000
511020103440404220000
6121202044144243132
74613114213261504
oct521470535725700
9101127327553362
1023200431320000
11743527a712020
1227284956104a8
13cc3a395bc12c
145a2c9a630304
152a376a84c8d5
hex1519c577abc0

23200431320000 has 280 divisors, whose sum is σ = 62859699357312. Its totient is φ = 8423049600000.

The previous prime is 23200431319999. The next prime is 23200431320009. The reversal of 23200431320000 is 2313400232.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23200431320009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 277598219 + ... + 277681781.

Almost surely, 223200431320000 is an apocalyptic number.

23200431320000 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 23200431320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31429849678656).

23200431320000 is an abundant number, since it is smaller than the sum of its proper divisors (39659268037312).

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

23200431320000 is an equidigital number, since it uses as much as digits as its factorization.

23200431320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84237 (or 84212 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 23200431320000 its reverse (2313400232), we get a palindrome (23202744720232).

The spelling of 23200431320000 in words is "twenty-three trillion, two hundred billion, four hundred thirty-one million, three hundred twenty thousand".