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22986045840 = 243595775191
BaseRepresentation
bin10101011010000100…
…110011100110010000
32012022221022010002010
4111122010303212100
5334033411431330
614320514422520
71442421110622
oct253204634620
965287263063
1022986045840
1198260294aa
124555b91a40
132224214874
141180ad8c12
158e7ea53b0
hex55a133990

22986045840 has 40 divisors (see below), whose sum is σ = 71256742848. Its totient is φ = 6129612160.

The previous prime is 22986045839. The next prime is 22986045847. The reversal of 22986045840 is 4854068922.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 22986045840.

It is not an unprimeable number, because it can be changed into a prime (22986045847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47887356 + ... + 47887835.

Almost surely, 222986045840 is an apocalyptic number.

22986045840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22986045840 is an abundant number, since it is smaller than the sum of its proper divisors (48270697008).

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

22986045840 is a wasteful number, since it uses less digits than its factorization.

22986045840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95775207 (or 95775201 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 48.

The spelling of 22986045840 in words is "twenty-two billion, nine hundred eighty-six million, forty-five thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 95775191 191550382 287325573 383100764 478875955 574651146 766201528 957751910 1149302292 1436627865 1532403056 1915503820 2298604584 2873255730 3831007640 4597209168 5746511460 7662015280 11493022920 22986045840