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1388012902793 = 11971300855579
BaseRepresentation
bin10100001100101100000…
…001000001100110001001
311220200201000011011102122
4110030230001001212021
5140220122300342133
62541351101341025
7202165153002536
oct24145401014611
94820630134378
101388012902793
11495720109790
121a500a867775
13a0b7333c24a
144b2745c9d8d
152618aadc498
hex1432c041989

1388012902793 has 8 divisors (see below), whose sum is σ = 1529806162080. Its totient is φ = 1248821354880.

The previous prime is 1388012902789. The next prime is 1388012902841. The reversal of 1388012902793 is 3972092108831.

It is a happy number.

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

It is not a de Polignac number, because 1388012902793 - 22 = 1388012902789 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1388012907793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 650426723 + ... + 650428856.

It is an arithmetic number, because the mean of its divisors is an integer number (191225770260).

Almost surely, 21388012902793 is an apocalyptic number.

It is an amenable number.

1388012902793 is a deficient number, since it is larger than the sum of its proper divisors (141793259287).

1388012902793 is a wasteful number, since it uses less digits than its factorization.

1388012902793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300855687.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 1388012902793 in words is "one trillion, three hundred eighty-eight billion, twelve million, nine hundred two thousand, seven hundred ninety-three".

Divisors: 1 11 97 1067 1300855579 14309411369 126182991163 1388012902793