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57289351170 = 23571227311833
BaseRepresentation
bin110101010110101101…
…100010000000000010
312110212121000120121010
4311112231202000002
51414312033214140
642152433341350
74065453310302
oct652655420002
9173777016533
1057289351170
1122329388517
12b12a107856
13552ccb577c
142ab688b602
1517547b7880
hexd56b62002

57289351170 has 64 divisors (see below), whose sum is σ = 139504114944. Its totient is φ = 15054090240.

The previous prime is 57289351159. The next prime is 57289351183. The reversal of 57289351170 is 7115398275.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4835574 + ... + 4847406.

It is an arithmetic number, because the mean of its divisors is an integer number (2179751796).

Almost surely, 257289351170 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57289351170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69752057472).

57289351170 is an abundant number, since it is smaller than the sum of its proper divisors (82214763774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57289351170 is a wasteful number, since it uses less digits than its factorization.

57289351170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14187.

The product of its (nonzero) digits is 529200, while the sum is 48.

The spelling of 57289351170 in words is "fifty-seven billion, two hundred eighty-nine million, three hundred fifty-one thousand, one hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 71 142 213 355 426 710 1065 2130 2273 4546 6819 11365 11833 13638 22730 23666 34095 35499 59165 68190 70998 118330 161383 177495 322766 354990 484149 806915 840143 968298 1613830 1680286 2420745 2520429 4200715 4841490 5040858 8401430 12602145 25204290 26896409 53792818 80689227 134482045 161378454 268964090 403446135 806892270 1909645039 3819290078 5728935117 9548225195 11457870234 19096450390 28644675585 57289351170