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22792100081 is a prime number
BaseRepresentation
bin10101001110100000…
…111101100011110001
32011211102100122111212
4111032200331203301
5333134234200311
614245345445505
71434544440242
oct251640754361
964742318455
1022792100081
119736601153
124501040895
1321c2c9a16a
141163050cc9
158d5e44c8b
hex54e83d8f1

22792100081 has 2 divisors, whose sum is σ = 22792100082. Its totient is φ = 22792100080.

The previous prime is 22792100063. The next prime is 22792100087. The reversal of 22792100081 is 18000129722.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20100150625 + 2691949456 = 141775^2 + 51884^2 .

It is a cyclic number.

It is not a de Polignac number, because 22792100081 - 26 = 22792100017 is a prime.

It is a super-2 number, since 2×227921000812 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22792100087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11396050040 + 11396050041.

It is an arithmetic number, because the mean of its divisors is an integer number (11396050041).

Almost surely, 222792100081 is an apocalyptic number.

It is an amenable number.

22792100081 is a deficient number, since it is larger than the sum of its proper divisors (1).

22792100081 is an equidigital number, since it uses as much as digits as its factorization.

22792100081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 32.

The spelling of 22792100081 in words is "twenty-two billion, seven hundred ninety-two million, one hundred thousand, eighty-one".