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16622993860 = 2251175559063
BaseRepresentation
bin11110111101100111…
…01100000111000100
31120220111002120201021
433132303230013010
5233020441300420
611345252240524
71125635054644
oct173663540704
946814076637
1016622993860
117060279360
12327b010144
13174bb72b55
14b399c2524
156745567aa
hex3decec1c4

16622993860 has 24 divisors (see below), whose sum is σ = 38081768256. Its totient is φ = 6044724960.

The previous prime is 16622993843. The next prime is 16622993899. The reversal of 16622993860 is 6839922661.

It is a junction number, because it is equal to n+sod(n) for n = 16622993798 and 16622993807.

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 7 ways as a sum of consecutive naturals, for example, 37779312 + ... + 37779751.

It is an arithmetic number, because the mean of its divisors is an integer number (1586740344).

Almost surely, 216622993860 is an apocalyptic number.

16622993860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16622993860 is an abundant number, since it is smaller than the sum of its proper divisors (21458774396).

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

16622993860 is a wasteful number, since it uses less digits than its factorization.

16622993860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75559083 (or 75559081 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 52.

The spelling of 16622993860 in words is "sixteen billion, six hundred twenty-two million, nine hundred ninety-three thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 75559063 151118126 302236252 377795315 755590630 831149693 1511181260 1662299386 3324598772 4155748465 8311496930 16622993860