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57022307740 = 22543671994973
BaseRepresentation
bin110101000110110010…
…110101110110011100
312110011222112100212201
4311012302311312130
51413240202321430
642110133541244
74056031422106
oct650662656634
9173158470781
1057022307740
1122201673872
12b0747a4824
1354b98865c8
142a8d216576
15173b1188ca
hexd46cb5d9c

57022307740 has 96 divisors (see below), whose sum is σ = 125010547200. Its totient is φ = 21831296256.

The previous prime is 57022307731. The next prime is 57022307801. The reversal of 57022307740 is 4770322075.

It is a self number, because there is not a number n which added to its sum of digits gives 57022307740.

It is a congruent 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, 11463894 + ... + 11468866.

It is an arithmetic number, because the mean of its divisors is an integer number (1302193200).

Almost surely, 257022307740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57022307740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62505273600).

57022307740 is an abundant number, since it is smaller than the sum of its proper divisors (67988239460).

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

57022307740 is a wasteful number, since it uses less digits than its factorization.

57022307740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5291 (or 5289 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 37.

The spelling of 57022307740 in words is "fifty-seven billion, twenty-two million, three hundred seven thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 43 67 86 134 172 199 215 268 335 398 430 670 796 860 995 1340 1990 2881 3980 4973 5762 8557 9946 11524 13333 14405 17114 19892 24865 26666 28810 34228 42785 49730 53332 57620 66665 85570 99460 133330 171140 213839 266660 333191 427678 573319 666382 855356 989627 1069195 1146638 1332764 1665955 1979254 2138390 2293276 2866595 3331910 3958508 4276780 4948135 5733190 6663820 9896270 11466380 14327213 19792540 28654426 42553961 57308852 66305009 71636065 85107922 132610018 143272130 170215844 212769805 265220036 286544260 331525045 425539610 663050090 851079220 1326100180 2851115387 5702230774 11404461548 14255576935 28511153870 57022307740