Search a number
-
+
1372920559 is a prime number
BaseRepresentation
bin101000111010101…
…0001101011101111
310112200101120221121
41101311101223233
510302431424214
6344122241411
746010426563
oct12165215357
93480346847
101372920559
11644a8359a
12323956267
1318b589c3a
14d04a36a3
15807e6424
hex51d51aef

1372920559 has 2 divisors, whose sum is σ = 1372920560. Its totient is φ = 1372920558.

The previous prime is 1372920551. The next prime is 1372920587. The reversal of 1372920559 is 9550292731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1372920559 - 23 = 1372920551 is a prime.

It is a super-2 number, since 2×13729205592 = 3769821722649744962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1372920551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686460279 + 686460280.

It is an arithmetic number, because the mean of its divisors is an integer number (686460280).

Almost surely, 21372920559 is an apocalyptic number.

1372920559 is a deficient number, since it is larger than the sum of its proper divisors (1).

1372920559 is an equidigital number, since it uses as much as digits as its factorization.

1372920559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 1372920559 is about 37052.9426496736. The cubic root of 1372920559 is about 1111.4292005992.

The spelling of 1372920559 in words is "one billion, three hundred seventy-two million, nine hundred twenty thousand, five hundred fifty-nine".