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1392424882639 = 7315047631391
BaseRepresentation
bin10100010000110010111…
…111011001000111001111
311221010002111001221222121
4110100302333121013033
5140303141232221024
62543400545353411
7202412405134540
oct24206277310717
94833074057877
101392424882639
1149758460051a
121a5a40338867
13a13c7407ccb
144b5725424c7
15263480e08e4
hex14432fd91cf

1392424882639 has 8 divisors (see below), whose sum is σ = 1591350294528. Its totient is φ = 1193501363640.

The previous prime is 1392424882627. The next prime is 1392424882649. The reversal of 1392424882639 is 9362884242931.

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

It is a cyclic number.

It is not a de Polignac number, because 1392424882639 - 223 = 1392416494031 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 (1392424882619) 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, 1889634 + ... + 2521024.

It is an arithmetic number, because the mean of its divisors is an integer number (198918786816).

Almost surely, 21392424882639 is an apocalyptic number.

1392424882639 is a deficient number, since it is larger than the sum of its proper divisors (198925411889).

1392424882639 is an equidigital number, since it uses as much as digits as its factorization.

1392424882639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946445.

The product of its digits is 35831808, while the sum is 61.

The spelling of 1392424882639 in words is "one trillion, three hundred ninety-two billion, four hundred twenty-four million, eight hundred eighty-two thousand, six hundred thirty-nine".

Divisors: 1 7 315047 631391 2205329 4419737 198917840377 1392424882639