Search a number
-
+
1372871419 is a prime number
BaseRepresentation
bin101000111010100…
…0101101011111011
310112200022002112121
41101311011223323
510302423341134
6344121222111
746010133403
oct12165055373
93480262477
101372871419
11644a4a687
12323931937
1318b57076a
14d048d803
15807d6ab4
hex51d45afb

1372871419 has 2 divisors, whose sum is σ = 1372871420. Its totient is φ = 1372871418.

The previous prime is 1372871417. The next prime is 1372871443. The reversal of 1372871419 is 9141782731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1372871419 - 21 = 1372871417 is a prime.

It is a super-2 number, since 2×13728714192 = 3769551866214147122, which contains 22 as substring.

Together with 1372871417, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1372871411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686435709 + 686435710.

It is an arithmetic number, because the mean of its divisors is an integer number (686435710).

Almost surely, 21372871419 is an apocalyptic number.

1372871419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1372871419 is an equidigital number, since it uses as much as digits as its factorization.

1372871419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 43.

The square root of 1372871419 is about 37052.2795385115. The cubic root of 1372871419 is about 1111.4159402344.

The spelling of 1372871419 in words is "one billion, three hundred seventy-two million, eight hundred seventy-one thousand, four hundred nineteen".