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1379123319 = 37316134729
BaseRepresentation
bin101001000110011…
…1100000001110111
310120010001201112110
41102030330001313
510311023421234
6344503222103
746114232460
oct12214740167
93503051473
101379123319
1164852a842
12325a47933
1318c94c302
14d1239d67
158111e1e9
hex5233c077

1379123319 has 32 divisors (see below), whose sum is σ = 2204938240. Its totient is φ = 750124800.

The previous prime is 1379123261. The next prime is 1379123323. The reversal of 1379123319 is 9133219731.

It is not a de Polignac number, because 1379123319 - 28 = 1379123063 is a prime.

It is a super-2 number, since 2×13791233192 = 3803962258019151522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379123819) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22347 + ... + 57075.

It is an arithmetic number, because the mean of its divisors is an integer number (68904320).

Almost surely, 21379123319 is an apocalyptic number.

1379123319 is a deficient number, since it is larger than the sum of its proper divisors (825814921).

1379123319 is a wasteful number, since it uses less digits than its factorization.

1379123319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34831.

The product of its digits is 30618, while the sum is 39.

The square root of 1379123319 is about 37136.5496377895. The cubic root of 1379123319 is about 1113.1004729406.

The spelling of 1379123319 in words is "one billion, three hundred seventy-nine million, one hundred twenty-three thousand, three hundred nineteen".

Divisors: 1 3 7 21 31 61 93 183 217 427 651 1281 1891 5673 13237 34729 39711 104187 243103 729309 1076599 2118469 3229797 6355407 7536193 14829283 22608579 44487849 65672539 197017617 459707773 1379123319