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56842857160 = 23517511316349
BaseRepresentation
bin110100111100000110…
…010010101011001000
312102201110212022221221
4310330012102223020
51412403232412120
642040243411424
74051422212425
oct647406225310
9172643768857
1056842857160
112211a346a01
12b024683b74
13548b64582b
142a73462d4c
15172a4bd0aa
hexd3c192ac8

56842857160 has 64 divisors (see below), whose sum is σ = 135454518000. Its totient is φ = 21394169856.

The previous prime is 56842857107. The next prime is 56842857209. The reversal of 56842857160 is 6175824865.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 6049417284 + 50793439876 = 77778^2 + 225374^2 .

It is a super-2 number, since 2×568428571602 (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 56842857098 and 56842857107.

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, 3468666 + ... + 3485014.

Almost surely, 256842857160 is an apocalyptic number.

It is an amenable number.

56842857160 is an abundant number, since it is smaller than the sum of its proper divisors (78611660840).

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

56842857160 is a wasteful number, since it uses less digits than its factorization.

56842857160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21490 (or 21486 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 52.

The spelling of 56842857160 in words is "fifty-six billion, eight hundred forty-two million, eight hundred fifty-seven thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 5113 10226 16349 20452 25565 32698 40904 51130 65396 81745 86921 102260 130792 163490 173842 204520 277933 326980 347684 434605 555866 653960 695368 869210 1111732 1389665 1738420 2223464 2779330 3476840 5558660 11117320 83592437 167184874 334369748 417962185 668739496 835924370 1421071429 1671848740 2842142858 3343697480 5684285716 7105357145 11368571432 14210714290 28421428580 56842857160