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22340695680 = 273255373181
BaseRepresentation
bin10100110011100110…
…111111011010000000
32010122221221221002100
4110303212333122000
5331223204230210
614132502350400
71420423531362
oct246346773200
963587857070
1022340695680
119524816366
1243b5a2b400
1321505cb174
14111d108d32
158ab4ca5c0
hex5339bf680

22340695680 has 192 divisors, whose sum is σ = 78601858920. Its totient is φ = 5845032960.

The previous prime is 22340695679. The next prime is 22340695703. The reversal of 22340695680 is 8659604322.

22340695680 is a `hidden beast` number, since 2 + 23 + 4 + 0 + 69 + 568 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 17671980096 + 4668715584 = 132936^2 + 68328^2 .

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 268690 + ... + 341870.

Almost surely, 222340695680 is an apocalyptic number.

22340695680 is a gapful number since it is divisible by the number (20) 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 22340695680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39300929460).

22340695680 is an abundant number, since it is smaller than the sum of its proper divisors (56261163240).

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

22340695680 is a wasteful number, since it uses less digits than its factorization.

22340695680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73259 (or 73244 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 22340695680 in words is "twenty-two billion, three hundred forty million, six hundred ninety-five thousand, six hundred eighty".