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23223825720 = 2332564510627
BaseRepresentation
bin10101101000001111…
…110111010100111000
32012221111201120202100
4111220033313110320
5340030244410340
614400251103400
71451336155464
oct255017672470
965844646670
1023223825720
119938275aa7
124601741b60
132261569014
1411a45134a4
1590dcc3830
hex5683f7538

23223825720 has 48 divisors (see below), whose sum is σ = 75477434760. Its totient is φ = 6193020096.

The previous prime is 23223825701. The next prime is 23223825743. The reversal of 23223825720 is 2752832232.

It is a happy number.

23223825720 is a `hidden beast` number, since 2 + 3 + 2 + 2 + 3 + 82 + 572 + 0 = 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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32254954 + ... + 32255673.

Almost surely, 223223825720 is an apocalyptic number.

23223825720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23223825720 is an abundant number, since it is smaller than the sum of its proper divisors (52253609040).

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

23223825720 is a wasteful number, since it uses less digits than its factorization.

23223825720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64510644 (or 64510637 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 23223825720 in words is "twenty-three billion, two hundred twenty-three million, eight hundred twenty-five thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 64510627 129021254 193531881 258042508 322553135 387063762 516085016 580595643 645106270 774127524 967659405 1161191286 1290212540 1548255048 1935318810 2322382572 2580425080 2902978215 3870637620 4644765144 5805956430 7741275240 11611912860 23223825720