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1379291983 is a prime number
BaseRepresentation
bin101001000110110…
…0101001101001111
310120010101021220021
41102031211031033
510311044320413
6344511003011
746115534266
oct12215451517
93503337807
101379291983
11648635533
12325b09467
1318c9ab004
14d12815dd
158115418d
hex5236534f

1379291983 has 2 divisors, whose sum is σ = 1379291984. Its totient is φ = 1379291982.

The previous prime is 1379291941. The next prime is 1379291989. The reversal of 1379291983 is 3891929731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1379291983 - 221 = 1377194831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1379291983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1379291989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689645991 + 689645992.

It is an arithmetic number, because the mean of its divisors is an integer number (689645992).

Almost surely, 21379291983 is an apocalyptic number.

1379291983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1379291983 is an equidigital number, since it uses as much as digits as its factorization.

1379291983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 734832, while the sum is 52.

The square root of 1379291983 is about 37138.8204309184. The cubic root of 1379291983 is about 1113.1458477384.

The spelling of 1379291983 in words is "one billion, three hundred seventy-nine million, two hundred ninety-one thousand, nine hundred eighty-three".