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1379052807 = 31199142169
BaseRepresentation
bin101001000110010…
…1010110100000111
310120002221010210220
41102030222310013
510311014142212
6344501515423
746113520056
oct12214526407
93502833726
101379052807
11648491870
12325a12b73
1318c9261a2
14d121c39d
158110838c
hex5232ad07

1379052807 has 16 divisors (see below), whose sum is σ = 2007966720. Its totient is φ = 834926400.

The previous prime is 1379052793. The next prime is 1379052811. The reversal of 1379052807 is 7082509731.

It is not a de Polignac number, because 1379052807 - 211 = 1379050759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379052827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11619 + ... + 53787.

It is an arithmetic number, because the mean of its divisors is an integer number (125497920).

Almost surely, 21379052807 is an apocalyptic number.

1379052807 is a deficient number, since it is larger than the sum of its proper divisors (628913913).

1379052807 is a wasteful number, since it uses less digits than its factorization.

1379052807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43174.

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 1379052807 is about 37135.6002644363. The cubic root of 1379052807 is about 1113.0815023677.

The spelling of 1379052807 in words is "one billion, three hundred seventy-nine million, fifty-two thousand, eight hundred seven".

Divisors: 1 3 11 33 991 2973 10901 32703 42169 126507 463859 1391577 41789479 125368437 459684269 1379052807