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1392389246968 = 23895991942529
BaseRepresentation
bin10100010000110000110…
…111011100111111111000
311221010000000000111000221
4110100300313130333320
5140303103121400333
62543353233505424
7202411463214466
oct24206067347770
94833000014027
101392389246968
11497566480955
121a5a30412274
13a13bcc0bb05
144b56b907836
1526344e01d2d
hex14430ddcff8

1392389246968 has 16 divisors (see below), whose sum is σ = 2610760320000. Its totient is φ = 696186494976.

The previous prime is 1392389246951. The next prime is 1392389246977. The reversal of 1392389246968 is 8696429832931.

It is a super-2 number, since 2×13923892469682 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1392389246897 and 1392389246906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254473 + ... + 1688056.

It is an arithmetic number, because the mean of its divisors is an integer number (163172520000).

Almost surely, 21392389246968 is an apocalyptic number.

It is an amenable number.

1392389246968 is a deficient number, since it is larger than the sum of its proper divisors (1218371073032).

1392389246968 is a wasteful number, since it uses less digits than its factorization.

1392389246968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032134 (or 2032130 counting only the distinct ones).

The product of its digits is 241864704, while the sum is 70.

The spelling of 1392389246968 in words is "one trillion, three hundred ninety-two billion, three hundred eighty-nine million, two hundred forty-six thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 89599 179198 358396 716792 1942529 3885058 7770116 15540232 174048655871 348097311742 696194623484 1392389246968