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1379002823 = 11125363893
BaseRepresentation
bin101001000110001…
…1110100111000111
310120002211121020122
41102030132213013
510311011042243
6344500452155
746113221252
oct12214364707
93502747218
101379002823
11648458260
123259aa05b
1318c909503
14d1208099
15810e8668
hex5231e9c7

1379002823 has 4 divisors (see below), whose sum is σ = 1504366728. Its totient is φ = 1253638920.

The previous prime is 1379002817. The next prime is 1379002837. The reversal of 1379002823 is 3282009731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1379002823 - 212 = 1378998727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379002883) 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, 62681936 + ... + 62681957.

It is an arithmetic number, because the mean of its divisors is an integer number (376091682).

Almost surely, 21379002823 is an apocalyptic number.

1379002823 is a deficient number, since it is larger than the sum of its proper divisors (125363905).

1379002823 is a wasteful number, since it uses less digits than its factorization.

1379002823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125363904.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 1379002823 is about 37134.9272653118. The cubic root of 1379002823 is about 1113.0680542634.

The spelling of 1379002823 in words is "one billion, three hundred seventy-nine million, two thousand, eight hundred twenty-three".

Divisors: 1 11 125363893 1379002823