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57255125070661 = 7294317333784873
BaseRepresentation
bin11010000010010101111110…
…11001000011001101000101
321111201112111002221122220021
431001022333121003031011
530001031444004230121
6321434350310335141
715026355242126140
oct1501127731031505
9244645432848807
1057255125070661
1117274842512071
12650851565a4b1
1325c419ab49c7b
14101d23cb8d057
1569450d087641
hex3412bf643345

57255125070661 has 32 divisors (see below), whose sum is σ = 69304979208960. Its totient is φ = 46254890433024.

The previous prime is 57255125070613. The next prime is 57255125070713. The reversal of 57255125070661 is 16607052155275.

It is a happy number.

It is not a de Polignac number, because 57255125070661 - 221 = 57255122973509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57255125070599 and 57255125070608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57255125070961) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13234921 + ... + 17019793.

It is an arithmetic number, because the mean of its divisors is an integer number (2165780600280).

Almost surely, 257255125070661 is an apocalyptic number.

It is an amenable number.

57255125070661 is a deficient number, since it is larger than the sum of its proper divisors (12049854138299).

57255125070661 is a wasteful number, since it uses less digits than its factorization.

57255125070661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3786685.

The product of its (nonzero) digits is 4410000, while the sum is 52.

The spelling of 57255125070661 in words is "fifty-seven trillion, two hundred fifty-five billion, one hundred twenty-five million, seventy thousand, six hundred sixty-one".

Divisors: 1 7 29 43 203 301 1247 1733 8729 12131 50257 74519 351799 521633 2161051 3784873 15127357 26494111 109761317 162749539 768329219 1139246773 4719736631 6559184909 33038156417 45914294363 190216362361 282044951087 1331514536527 1974314657609 8179303581523 57255125070661