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109044785892 = 223717911936079
BaseRepresentation
bin110010110001110010…
…0110110001011100100
3101102110112000001221210
41211203210312023210
53241310431122032
6122032224111420
710610142246450
oct1454344661344
9342415001853
10109044785892
1142277a36669
1219172a65570
13a38a640a63
1453c63b3660
152c833112cc
hex19639362e4

109044785892 has 96 divisors (see below), whose sum is σ = 292703846400. Its totient is φ = 30950537472.

The previous prime is 109044785891. The next prime is 109044785897. The reversal of 109044785892 is 298587440901.

It is not an unprimeable number, because it can be changed into a prime (109044785891) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17934909 + ... + 17940987.

It is an arithmetic number, because the mean of its divisors is an integer number (3048998400).

Almost surely, 2109044785892 is an apocalyptic number.

109044785892 is a gapful number since it is divisible by the number (12) 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 109044785892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146351923200).

109044785892 is an abundant number, since it is smaller than the sum of its proper divisors (183659060508).

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

109044785892 is a wasteful number, since it uses less digits than its factorization.

109044785892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7465 (or 7463 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 57.

The spelling of 109044785892 in words is "one hundred nine billion, forty-four million, seven hundred eighty-five thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 179 358 537 716 1074 1193 1253 2148 2386 2506 3579 3759 4772 5012 6079 7158 7518 8351 12158 14316 15036 16702 18237 24316 25053 33404 36474 42553 50106 72948 85106 100212 127659 170212 213547 255318 427094 510636 640641 854188 1088141 1281282 1494829 2176282 2562564 2989658 3264423 4352564 4484487 5979316 6528846 7252247 7616987 8968974 13057692 14504494 15233974 17937948 21756741 22850961 29008988 30467948 43513482 45701922 50765729 87026964 91403844 101531458 152297187 203062916 304594374 609188748 1298152213 2596304426 3894456639 5192608852 7788913278 9087065491 15577826556 18174130982 27261196473 36348261964 54522392946 109044785892