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57125122054757 = 1980915432408569
BaseRepresentation
bin11001111110100011110101…
…00110111001101001100101
321111021002220222100012020022
430333101322212321221211
524441414222221223012
6321254530242444525
715014103530541101
oct1477217246715145
9244232828305208
1057125122054757
11172246a0173059
1264a7293963745
1325b4b5045a7a3
141016c2913a901
15690e4ed2a472
hex33f47a9b9a65

57125122054757 has 16 divisors (see below), whose sum is σ = 60245079696000. Its totient is φ = 54016588433664.

The previous prime is 57125122054691. The next prime is 57125122054771. The reversal of 57125122054757 is 75745022152175.

It is a cyclic number.

It is not a de Polignac number, because 57125122054757 - 28 = 57125122054501 is a prime.

It is a super-2 number, since 2×571251220547572 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57125122054699 and 57125122054708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57125122054157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22513169 + ... + 24921737.

It is an arithmetic number, because the mean of its divisors is an integer number (3765317481000).

Almost surely, 257125122054757 is an apocalyptic number.

It is an amenable number.

57125122054757 is a deficient number, since it is larger than the sum of its proper divisors (3119957641243).

57125122054757 is a wasteful number, since it uses less digits than its factorization.

57125122054757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410940.

The product of its (nonzero) digits is 6860000, while the sum is 53.

The spelling of 57125122054757 in words is "fifty-seven trillion, one hundred twenty-five billion, one hundred twenty-two million, fifty-four thousand, seven hundred fifty-seven".

Divisors: 1 19 809 1543 15371 29317 1248287 2408569 23717453 45762811 1948532321 3716421967 37022114099 70612017373 3006585371303 57125122054757