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22996739540 = 225712228097
BaseRepresentation
bin10101011010101101…
…100110010111010100
32012100200102102002002
4111122231212113110
5334044131131130
614321535534432
71442611026605
oct253255462724
965320372062
1022996739540
119831072875
12455968a418
1322264ba0b8
1411822bddac
158e8db8b45
hex55ab665d4

22996739540 has 36 divisors (see below), whose sum is σ = 48983133108. Its totient is φ = 9069096960.

The previous prime is 22996739531. The next prime is 22996739569. The reversal of 22996739540 is 4593769922.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16808085316 + 6188654224 = 129646^2 + 78668^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13229 + ... + 214868.

Almost surely, 222996739540 is an apocalyptic number.

22996739540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22996739540 is an abundant number, since it is smaller than the sum of its proper divisors (25986393568).

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

22996739540 is a wasteful number, since it uses less digits than its factorization.

22996739540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228248 (or 228175 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 56.

The spelling of 22996739540 in words is "twenty-two billion, nine hundred ninety-six million, seven hundred thirty-nine thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 71 142 284 355 710 1420 5041 10082 20164 25205 50410 100820 228097 456194 912388 1140485 2280970 4561940 16194887 32389774 64779548 80974435 161948870 323897740 1149836977 2299673954 4599347908 5749184885 11498369770 22996739540