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1612113984 = 263213216561
BaseRepresentation
bin110000000010110…
…1110100001000000
311011100110212122100
41200011232201000
511300200121414
6423545110400
754643512525
oct14005564100
94140425570
101612113984
11757aa6108
1238ba88400
131c8cb7900
1411416914c
15967e3609
hex6016e840

1612113984 has 126 divisors (see below), whose sum is σ = 5003926746. Its totient is φ = 496005120.

The previous prime is 1612113983. The next prime is 1612114057. The reversal of 1612113984 is 4893112161.

1612113984 is a `hidden beast` number, since 1 + 612 + 1 + 1 + 39 + 8 + 4 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 128323584 + 1483790400 = 11328^2 + 38520^2 .

It is a super-2 number, since 2×16121139842 = 5197822994816704512, which contains 22 as substring.

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1612113983) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 89064 + ... + 105624.

Almost surely, 21612113984 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 1612113984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2501963373).

1612113984 is an abundant number, since it is smaller than the sum of its proper divisors (3391812762).

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

1612113984 is a wasteful number, since it uses less digits than its factorization.

1612113984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16605 (or 16579 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 1612113984 is about 40151.1392615452. The cubic root of 1612113984 is about 1172.5514688954.

The spelling of 1612113984 in words is "one billion, six hundred twelve million, one hundred thirteen thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 64 72 78 96 104 117 144 156 169 192 208 234 288 312 338 416 468 507 576 624 676 832 936 1014 1248 1352 1521 1872 2028 2496 2704 3042 3744 4056 5408 6084 7488 8112 10816 12168 16224 16561 24336 32448 33122 48672 49683 66244 97344 99366 132488 149049 198732 215293 264976 298098 397464 430586 529952 596196 645879 794928 861172 1059904 1192392 1291758 1589856 1722344 1937637 2384784 2583516 2798809 3179712 3444688 3875274 4769568 5167032 5597618 6889376 7750548 8396427 9539136 10334064 11195236 13778752 15501096 16792854 20668128 22390472 25189281 31002192 33585708 41336256 44780944 50378562 62004384 67171416 89561888 100757124 124008768 134342832 179123776 201514248 268685664 403028496 537371328 806056992 1612113984