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57831403045 = 5131946827047
BaseRepresentation
bin110101110111000001…
…010010111000100101
312112021100222122222111
4311313001102320211
51421414314344140
642322315401021
74115054546413
oct656701227045
9175240878874
1057831403045
1122587357079
12b25b753171
1355b83a2320
142b2886c2b3
15178718a7ea
hexd77052e25

57831403045 has 16 divisors (see below), whose sum is σ = 78669440640. Its totient is φ = 40458567744.

The previous prime is 57831403043. The next prime is 57831403051. The reversal of 57831403045 is 54030413875.

57831403045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 57831403045 - 21 = 57831403043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57831402989 and 57831403007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57831403043) 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, 23412289 + ... + 23414758.

It is an arithmetic number, because the mean of its divisors is an integer number (4916840040).

Almost surely, 257831403045 is an apocalyptic number.

It is an amenable number.

57831403045 is a deficient number, since it is larger than the sum of its proper divisors (20838037595).

57831403045 is a wasteful number, since it uses less digits than its factorization.

57831403045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46827084.

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 57831403045 in words is "fifty-seven billion, eight hundred thirty-one million, four hundred three thousand, forty-five".

Divisors: 1 5 13 19 65 95 247 1235 46827047 234135235 608751611 889713893 3043758055 4448569465 11566280609 57831403045