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17926481983 is a prime number
BaseRepresentation
bin10000101100100000…
…000110100000111111
31201021022211122021011
4100230200012200333
5243203134410413
612122454420051
71203143403604
oct205440064077
951238748234
1017926481983
11766a039273
123583661627
1318c8c2c6b7
14c20b706ab
156edbd533d
hex42c80683f

17926481983 has 2 divisors, whose sum is σ = 17926481984. Its totient is φ = 17926481982.

The previous prime is 17926481953. The next prime is 17926481987. The reversal of 17926481983 is 38918462971.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 17926481983 - 213 = 17926473791 is a prime.

It is a super-2 number, since 2×179264819832 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17926481987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8963240991 + 8963240992.

It is an arithmetic number, because the mean of its divisors is an integer number (8963240992).

Almost surely, 217926481983 is an apocalyptic number.

17926481983 is a deficient number, since it is larger than the sum of its proper divisors (1).

17926481983 is an equidigital number, since it uses as much as digits as its factorization.

17926481983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5225472, while the sum is 58.

The spelling of 17926481983 in words is "seventeen billion, nine hundred twenty-six million, four hundred eighty-one thousand, nine hundred eighty-three".