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22905959140 = 2252939493033
BaseRepresentation
bin10101010101010011…
…010011001011100100
32012010100121021210001
4111111103103023210
5333402411143030
614304534111044
71440426303661
oct252523231344
965110537701
1022905959140
1197948a9149
1245331ab484
132210753b9c
14117420ca68
158e0e35cca
hex5554d32e4

22905959140 has 24 divisors (see below), whose sum is σ = 49761222840. Its totient is φ = 8846439168.

The previous prime is 22905959119. The next prime is 22905959183. The reversal of 22905959140 is 4195950922.

It can be written as a sum of positive squares in 4 ways, for example, as 8488673956 + 14417285184 = 92134^2 + 120072^2 .

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 7 ways as a sum of consecutive naturals, for example, 19745937 + ... + 19747096.

It is an arithmetic number, because the mean of its divisors is an integer number (2073384285).

Almost surely, 222905959140 is an apocalyptic number.

22905959140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22905959140 is an abundant number, since it is smaller than the sum of its proper divisors (26855263700).

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

22905959140 is a wasteful number, since it uses less digits than its factorization.

22905959140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39493071 (or 39493069 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 46.

The spelling of 22905959140 in words is "twenty-two billion, nine hundred five million, nine hundred fifty-nine thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 39493033 78986066 157972132 197465165 394930330 789860660 1145297957 2290595914 4581191828 5726489785 11452979570 22905959140