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1372764133 = 13105597241
BaseRepresentation
bin101000111010010…
…1011011111100101
310112200002122101001
41101310223133211
510302411423013
6344115033301
746006205536
oct12164533745
93480078331
101372764133
11644987014
1232389b831
1318b533990
14d046268d
15807b4ddd
hex51d2b7e5

1372764133 has 4 divisors (see below), whose sum is σ = 1478361388. Its totient is φ = 1267166880.

The previous prime is 1372764089. The next prime is 1372764143. The reversal of 1372764133 is 3314672731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3314672731 = 11329333387.

It can be written as a sum of positive squares in 2 ways, for example, as 60730849 + 1312033284 = 7793^2 + 36222^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1372764133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1372764092 and 1372764101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372764143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52798608 + ... + 52798633.

It is an arithmetic number, because the mean of its divisors is an integer number (369590347).

Almost surely, 21372764133 is an apocalyptic number.

1372764133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1372764133 is a deficient number, since it is larger than the sum of its proper divisors (105597255).

1372764133 is a wasteful number, since it uses less digits than its factorization.

1372764133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105597254.

The product of its digits is 63504, while the sum is 37.

The square root of 1372764133 is about 37050.8317450499. The cubic root of 1372764133 is about 1111.3869881477.

The spelling of 1372764133 in words is "one billion, three hundred seventy-two million, seven hundred sixty-four thousand, one hundred thirty-three".

Divisors: 1 13 105597241 1372764133