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1379663011 = 1907723473
BaseRepresentation
bin101001000111011…
…1111110010100011
310120011002010212001
41102032333302203
510311143204021
6344522544431
746121641066
oct12216776243
93504063761
101379663011
11648869271
12326068117
1318caaab5c
14d133a8dd
15811c9091
hex523bfca3

1379663011 has 4 divisors (see below), whose sum is σ = 1380388392. Its totient is φ = 1378937632.

The previous prime is 1379662951. The next prime is 1379663053. The reversal of 1379663011 is 1103669731.

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 1379663011 - 27 = 1379662883 is a prime.

It is a super-2 number, since 2×13796630112 = 3806940047843172242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1379661011) 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, 359830 + ... + 363643.

It is an arithmetic number, because the mean of its divisors is an integer number (345097098).

Almost surely, 21379663011 is an apocalyptic number.

1379663011 is a deficient number, since it is larger than the sum of its proper divisors (725381).

1379663011 is an equidigital number, since it uses as much as digits as its factorization.

1379663011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725380.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 1379663011 is about 37143.8152456099. The cubic root of 1379663011 is about 1113.2456504525.

The spelling of 1379663011 in words is "one billion, three hundred seventy-nine million, six hundred sixty-three thousand, eleven".

Divisors: 1 1907 723473 1379663011