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57030402418 = 21117755920173
BaseRepresentation
bin110101000111010001…
…101110000101110010
312110012112202121200121
4311013101232011302
51413244240334133
642111023240454
74056160264543
oct650721560562
9173175677617
1057030402418
11222061a2490
12b07744912a
1354bb45bb62
142a903224ca
15173bbb702d
hexd4746e172

57030402418 has 32 divisors (see below), whose sum is σ = 98830005120. Its totient is φ = 24393596160.

The previous prime is 57030402389. The next prime is 57030402467. The reversal of 57030402418 is 81420403075.

57030402418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2816980 + ... + 2837152.

It is an arithmetic number, because the mean of its divisors is an integer number (3088437660).

Almost surely, 257030402418 is an apocalyptic number.

57030402418 is a deficient number, since it is larger than the sum of its proper divisors (41799602702).

57030402418 is a wasteful number, since it uses less digits than its factorization.

57030402418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27762.

The product of its (nonzero) digits is 26880, while the sum is 34.

The spelling of 57030402418 in words is "fifty-seven billion, thirty million, four hundred two thousand, four hundred eighteen".

Divisors: 1 2 11 17 22 34 187 374 7559 15118 20173 40346 83149 128503 166298 221903 257006 342941 443806 685882 1413533 2827066 3772351 7544702 152487707 304975414 1677364777 2592291019 3354729554 5184582038 28515201209 57030402418