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2164893744 = 2431319182599
BaseRepresentation
bin1000000100001001…
…1010100000110000
312120212121222220210
42001002122200300
513413203044434
6554453104120
7104435202366
oct20102324060
95525558823
102164893744
11a11031792
12505028040
1328668c420
1416773d636
15ca0d4ee9
hex8109a830

2164893744 has 80 divisors (see below), whose sum is σ = 6339872000. Its totient is φ = 631058688.

The previous prime is 2164893707. The next prime is 2164893769. The reversal of 2164893744 is 4473984612.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 2164893693 and 2164893702.

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, 79444 + ... + 103155.

It is an arithmetic number, because the mean of its divisors is an integer number (79248400).

Almost surely, 22164893744 is an apocalyptic number.

2164893744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2164893744 is an abundant number, since it is smaller than the sum of its proper divisors (4174978256).

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

2164893744 is a wasteful number, since it uses less digits than its factorization.

2164893744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182642 (or 182636 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 48.

The square root of 2164893744 is about 46528.4186707436. The cubic root of 2164893744 is about 1293.6363047138.

The spelling of 2164893744 in words is "two billion, one hundred sixty-four million, eight hundred ninety-three thousand, seven hundred forty-four".

Divisors: 1 2 3 4 6 8 12 13 16 19 24 26 38 39 48 52 57 76 78 104 114 152 156 208 228 247 304 312 456 494 624 741 912 988 1482 1976 2964 3952 5928 11856 182599 365198 547797 730396 1095594 1460792 2191188 2373787 2921584 3469381 4382376 4747574 6938762 7121361 8764752 9495148 10408143 13877524 14242722 18990296 20816286 27755048 28485444 37980592 41632572 45101953 55510096 56970888 83265144 90203906 113941776 135305859 166530288 180407812 270611718 360815624 541223436 721631248 1082446872 2164893744