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57557012242 = 281135485211
BaseRepresentation
bin110101100110101010…
…100100111100010010
312111120020200011120011
4311212222210330102
51420334043342432
642235154305134
74105213350262
oct654652447422
9174506604504
1057557012242
1122456484214
12b1a38881aa
13557359cac2
142b002437a2
15176d039847
hexd66aa4f12

57557012242 has 8 divisors (see below), whose sum is σ = 86441976432. Its totient is φ = 28743020100.

The previous prime is 57557012237. The next prime is 57557012243. The reversal of 57557012242 is 24221075575.

57557012242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 57557012195 and 57557012204.

It is not an unprimeable number, because it can be changed into a prime (57557012243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17740984 + ... + 17744227.

It is an arithmetic number, because the mean of its divisors is an integer number (10805247054).

Almost surely, 257557012242 is an apocalyptic number.

57557012242 is a deficient number, since it is larger than the sum of its proper divisors (28884964190).

57557012242 is a wasteful number, since it uses less digits than its factorization.

57557012242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35486024.

The product of its (nonzero) digits is 196000, while the sum is 40.

The spelling of 57557012242 in words is "fifty-seven billion, five hundred fifty-seven million, twelve thousand, two hundred forty-two".

Divisors: 1 2 811 1622 35485211 70970422 28778506121 57557012242