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1379123318 = 21249552091
BaseRepresentation
bin101001000110011…
…1100000001110110
310120010001201112102
41102030330001312
510311023421233
6344503222102
746114232456
oct12214740166
93503051472
101379123318
1164852a841
12325a47932
1318c94c301
14d1239d66
158111e1e8
hex5233c076

1379123318 has 8 divisors (see below), whose sum is σ = 2070345000. Its totient is φ = 689008320.

The previous prime is 1379123261. The next prime is 1379123323. The reversal of 1379123318 is 8133219731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13791233182 = 3803962252502658248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273548 + ... + 278543.

It is an arithmetic number, because the mean of its divisors is an integer number (258793125).

Almost surely, 21379123318 is an apocalyptic number.

1379123318 is a deficient number, since it is larger than the sum of its proper divisors (691221682).

1379123318 is a wasteful number, since it uses less digits than its factorization.

1379123318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553342.

The product of its digits is 27216, while the sum is 38.

The square root of 1379123318 is about 37136.5496243256. The cubic root of 1379123318 is about 1113.1004726715.

The spelling of 1379123318 in words is "one billion, three hundred seventy-nine million, one hundred twenty-three thousand, three hundred eighteen".

Divisors: 1 2 1249 2498 552091 1104182 689561659 1379123318