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1386388683 = 33260919681
BaseRepresentation
bin101001010100010…
…1001110011001011
310120121201211202000
41102220221303023
510314403414213
6345323042043
746233052341
oct12250516313
93517654660
101386388683
11651642379
12328370323
131912c4244
14d21ab991
1581aa6c73
hex52a29ccb

1386388683 has 16 divisors (see below), whose sum is σ = 2054800800. Its totient is φ = 923857920.

The previous prime is 1386388651. The next prime is 1386388693. The reversal of 1386388683 is 3868836831.

It is a happy number.

It is not a de Polignac number, because 1386388683 - 25 = 1386388651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1386388643) 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, 60603 + ... + 80283.

It is an arithmetic number, because the mean of its divisors is an integer number (128425050).

Almost surely, 21386388683 is an apocalyptic number.

1386388683 is a deficient number, since it is larger than the sum of its proper divisors (668412117).

1386388683 is a wasteful number, since it uses less digits than its factorization.

1386388683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22299 (or 22293 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The square root of 1386388683 is about 37234.2407334969. The cubic root of 1386388683 is about 1115.0516932605.

The spelling of 1386388683 in words is "one billion, three hundred eighty-six million, three hundred eighty-eight thousand, six hundred eighty-three".

Divisors: 1 3 9 27 2609 7827 19681 23481 59043 70443 177129 531387 51347729 154043187 462129561 1386388683