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1386914311 = 2497155541
BaseRepresentation
bin101001010101010…
…1010001000000111
310120122201112202201
41102222222020013
510320022224221
6345342215331
746240401646
oct12252521007
93518645681
101386914311
11651971282
12328584547
13191449573
14d22a735d
1581b5c891
hex52aaa207

1386914311 has 4 divisors (see below), whose sum is σ = 1386994824. Its totient is φ = 1386833800.

The previous prime is 1386914279. The next prime is 1386914359. The reversal of 1386914311 is 1134196831.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1386914311 - 25 = 1386914279 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 (1386914911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2800 + ... + 52741.

It is an arithmetic number, because the mean of its divisors is an integer number (346748706).

Almost surely, 21386914311 is an apocalyptic number.

1386914311 is a deficient number, since it is larger than the sum of its proper divisors (80513).

1386914311 is an equidigital number, since it uses as much as digits as its factorization.

1386914311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80512.

The product of its digits is 15552, while the sum is 37.

The square root of 1386914311 is about 37241.2984601772. The cubic root of 1386914311 is about 1115.1925937029.

The spelling of 1386914311 in words is "one billion, three hundred eighty-six million, nine hundred fourteen thousand, three hundred eleven".

Divisors: 1 24971 55541 1386914311