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23211799392 = 25371109157199
BaseRepresentation
bin10101100111100001…
…111111001101100000
32012220200002120201210
4111213201333031200
5340014210040032
614355141230120
71451132016345
oct254741771540
965820076653
1023211799392
119931501491
1245b9702340
13225bc18052
1411a2aa27cc
1590cbea2cc
hex56787f360

23211799392 has 192 divisors, whose sum is σ = 63068544000. Its totient is φ = 7472424960.

The previous prime is 23211799379. The next prime is 23211799399. The reversal of 23211799392 is 29399711232.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23211799399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116642109 + ... + 116642307.

It is an arithmetic number, because the mean of its divisors is an integer number (328482000).

Almost surely, 223211799392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23211799392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31534272000).

23211799392 is an abundant number, since it is smaller than the sum of its proper divisors (39856744608).

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

23211799392 is a wasteful number, since it uses less digits than its factorization.

23211799392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549 (or 541 counting only the distinct ones).

The product of its digits is 367416, while the sum is 48.

The spelling of 23211799392 in words is "twenty-three billion, two hundred eleven million, seven hundred ninety-nine thousand, three hundred ninety-two".