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1092202981 is a prime number
BaseRepresentation
bin100000100011001…
…1011000111100101
32211010011122211021
41001012123013211
54214100443411
6300213411141
736031400152
oct10106330745
92733148737
101092202981
1151057a2a1
12265939ab1
13145380a6c
14a50ad229
1565d45a71
hex4119b1e5

1092202981 has 2 divisors, whose sum is σ = 1092202982. Its totient is φ = 1092202980.

The previous prime is 1092202957. The next prime is 1092203003. The reversal of 1092202981 is 1892022901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 961558081 + 130644900 = 31009^2 + 11430^2 .

It is a cyclic number.

It is not a de Polignac number, because 1092202981 - 29 = 1092202469 is a prime.

It is a super-2 number, since 2×10922029812 = 2385814703410572722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1092202931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 546101490 + 546101491.

It is an arithmetic number, because the mean of its divisors is an integer number (546101491).

Almost surely, 21092202981 is an apocalyptic number.

It is an amenable number.

1092202981 is a deficient number, since it is larger than the sum of its proper divisors (1).

1092202981 is an equidigital number, since it uses as much as digits as its factorization.

1092202981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 1092202981 is about 33048.4943832544. The cubic root of 1092202981 is about 1029.8353276190.

The spelling of 1092202981 in words is "one billion, ninety-two million, two hundred two thousand, nine hundred eighty-one".