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22109336780 = 2251105466839
BaseRepresentation
bin10100100101110100…
…011011010011001100
32010001211121200100012
4110211310123103030
5330234442234110
614053515452352
71411614155546
oct244564332314
963054550305
1022109336780
119416164a63
1243504570b8
1321146b44cb
1410da4c2696
15896029905
hex525d1b4cc

22109336780 has 12 divisors (see below), whose sum is σ = 46429607280. Its totient is φ = 8843734704.

The previous prime is 22109336773. The next prime is 22109336801. The reversal of 22109336780 is 8763390122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552733400 + ... + 552733439.

It is an arithmetic number, because the mean of its divisors is an integer number (3869133940).

Almost surely, 222109336780 is an apocalyptic number.

22109336780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22109336780 is an abundant number, since it is smaller than the sum of its proper divisors (24320270500).

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

22109336780 is a wasteful number, since it uses less digits than its factorization.

22109336780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105466848 (or 1105466846 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 22109336780 in words is "twenty-two billion, one hundred nine million, three hundred thirty-six thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 1105466839 2210933678 4421867356 5527334195 11054668390 22109336780