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22160850660 = 223251343220243
BaseRepresentation
bin10100101000111000…
…111011111011100100
32010012102112212002200
4110220320323323210
5330341134210120
614102555534500
71413111060024
oct245070737344
963172485080
1022160850660
11944224a113
12436575a430
13212227c9b0
141103291a84
1589a802e90
hex528e3bee4

22160850660 has 144 divisors (see below), whose sum is σ = 74075985984. Its totient is φ = 5328094464.

The previous prime is 22160850641. The next prime is 22160850671. The reversal of 22160850660 is 6605806122.

It is a super-2 number, since 2×221608506602 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9502 + ... + 210741.

Almost surely, 222160850660 is an apocalyptic number.

22160850660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22160850660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37037992992).

22160850660 is an abundant number, since it is smaller than the sum of its proper divisors (51915135324).

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

22160850660 is a wasteful number, since it uses less digits than its factorization.

22160850660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220314 (or 220309 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 22160850660 in words is "twenty-two billion, one hundred sixty million, eight hundred fifty thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 36 39 43 45 52 60 65 78 86 90 117 129 130 156 172 180 195 215 234 258 260 387 390 430 468 516 559 585 645 774 780 860 1118 1170 1290 1548 1677 1935 2236 2340 2580 2795 3354 3870 5031 5590 6708 7740 8385 10062 11180 16770 20124 25155 33540 50310 100620 220243 440486 660729 880972 1101215 1321458 1982187 2202430 2642916 2863159 3303645 3964374 4404860 5726318 6607290 7928748 8589477 9470449 9910935 11452636 13214580 14315795 17178954 18940898 19821870 25768431 28411347 28631590 34357908 37881796 39643740 42947385 47352245 51536862 56822694 57263180 85234041 85894770 94704490 103073724 113645388 123115837 128842155 142056735 170468082 171789540 189408980 246231674 257684310 284113470 340936164 369347511 426170205 492463348 515368620 568226940 615579185 738695022 852340410 1108042533 1231158370 1477390044 1704680820 1846737555 2216085066 2462316740 3693475110 4432170132 5540212665 7386950220 11080425330 22160850660