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22447928152 = 2313297442947
BaseRepresentation
bin10100111010000000…
…000011001101011000
32010221102201220101101
4110322000003031120
5331433132200102
614151253001144
71423165145446
oct247200031530
963842656341
1022447928152
11957a2a7741
1244259231b4
1321698a4930
14112d45db96
158b5b0ce87
hex53a003358

22447928152 has 32 divisors (see below), whose sum is σ = 46890572400. Its totient is φ = 10003319424.

The previous prime is 22447928057. The next prime is 22447928159. The reversal of 22447928152 is 25182974422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22447928159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3718458 + ... + 3724489.

Almost surely, 222447928152 is an apocalyptic number.

It is an amenable number.

22447928152 is an abundant number, since it is smaller than the sum of its proper divisors (24442644248).

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

22447928152 is a wasteful number, since it uses less digits than its factorization.

22447928152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7442995 (or 7442991 counting only the distinct ones).

The product of its digits is 645120, while the sum is 46.

The spelling of 22447928152 in words is "twenty-two billion, four hundred forty-seven million, nine hundred twenty-eight thousand, one hundred fifty-two".

Divisors: 1 2 4 8 13 26 29 52 58 104 116 232 377 754 1508 3016 7442947 14885894 29771788 59543576 96758311 193516622 215845463 387033244 431690926 774066488 863381852 1726763704 2805991019 5611982038 11223964076 22447928152