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23755087445 = 5172333073907
BaseRepresentation
bin10110000111111010…
…011101111001010101
32021022112101110211112
4112013322131321111
5342122300244240
614525105544405
71500446624465
oct260772357125
967275343745
1023755087445
11a090144881
12472b645105
13231764847b
141214cc5ba5
15940764665
hex587e9de55

23755087445 has 32 divisors (see below), whose sum is σ = 30418996608. Its totient is φ = 17746864128.

The previous prime is 23755087429. The next prime is 23755087453. The reversal of 23755087445 is 54478055732.

It is not a de Polignac number, because 23755087445 - 24 = 23755087429 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23755087393 and 23755087402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6078182 + ... + 6082088.

It is an arithmetic number, because the mean of its divisors is an integer number (950593644).

Almost surely, 223755087445 is an apocalyptic number.

It is an amenable number.

23755087445 is a deficient number, since it is larger than the sum of its proper divisors (6663909163).

23755087445 is a wasteful number, since it uses less digits than its factorization.

23755087445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4469.

The product of its (nonzero) digits is 4704000, while the sum is 50.

The spelling of 23755087445 in words is "twenty-three billion, seven hundred fifty-five million, eighty-seven thousand, four hundred forty-five".

Divisors: 1 5 17 85 233 307 1165 1535 3907 3961 5219 19535 19805 26095 66419 71531 332095 357655 910331 1199449 1216027 4551655 5997245 6080135 15475627 20390633 77378135 101953165 279471617 1397358085 4751017489 23755087445