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57753255105 = 32571314103359
BaseRepresentation
bin110101110010010111…
…001011110011000001
312112001220221100011100
4311302113023303001
51421234313130410
642310444405013
74113115366020
oct656227136301
9175056840140
1057753255105
11225472303a7
12b239546769
1355a513cc40
142b1c3288b7
1517803a08c0
hexd725cbcc1

57753255105 has 48 divisors (see below), whose sum is σ = 123206952960. Its totient is φ = 24370602624.

The previous prime is 57753255103. The next prime is 57753255137. The reversal of 57753255105 is 50155235775.

57753255105 is a `hidden beast` number, since 5 + 7 + 7 + 532 + 5 + 5 + 105 = 666.

It is not a de Polignac number, because 57753255105 - 21 = 57753255103 is a prime.

It is a super-2 number, since 2×577532551052 (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (57753255101) 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 47 ways as a sum of consecutive naturals, for example, 7047585 + ... + 7055774.

It is an arithmetic number, because the mean of its divisors is an integer number (2566811520).

Almost surely, 257753255105 is an apocalyptic number.

It is an amenable number.

57753255105 is an abundant number, since it is smaller than the sum of its proper divisors (65453697855).

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

57753255105 is a wasteful number, since it uses less digits than its factorization.

57753255105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14103390 (or 14103387 counting only the distinct ones).

The product of its (nonzero) digits is 918750, while the sum is 45.

The spelling of 57753255105 in words is "fifty-seven billion, seven hundred fifty-three million, two hundred fifty-five thousand, one hundred five".

Divisors: 1 3 5 7 9 13 15 21 35 39 45 63 65 91 105 117 195 273 315 455 585 819 1365 4095 14103359 42310077 70516795 98723513 126930231 183343667 211550385 296170539 493617565 550031001 634651155 888511617 916718335 1283405669 1480852695 1650093003 2750155005 3850217007 4442558085 6417028345 8250465015 11550651021 19251085035 57753255105