Base | Representation |
---|---|
bin | 10100010000100011010… |
… | …010010001100001111100 |
3 | 11221002102010021111110001 |
4 | 110100203102101201330 |
5 | 140302121304144420 |
6 | 2543314454124044 |
7 | 202403025424453 |
oct | 24204322214174 |
9 | 4832363244401 |
10 | 1392161396860 |
11 | 4974598a6783 |
12 | 1a5988050624 |
13 | a1384953270 |
14 | 4b549555b9a |
15 | 2632ede5b0a |
hex | 1442349187c |
1392161396860 has 48 divisors (see below), whose sum is σ = 3148719156576. Its totient is φ = 513981050112.
The previous prime is 1392161396753. The next prime is 1392161396959. The reversal of 1392161396860 is 686931612931.
It is a super-2 number, since 2×13921613968602 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2617462 + ... + 3104098.
It is an arithmetic number, because the mean of its divisors is an integer number (65598315762).
Almost surely, 21392161396860 is an apocalyptic number.
1392161396860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1392161396860 is an abundant number, since it is smaller than the sum of its proper divisors (1756557759716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1392161396860 is a wasteful number, since it uses less digits than its factorization.
1392161396860 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 497662 (or 497660 counting only the distinct ones).
The product of its (nonzero) digits is 2519424, while the sum is 55.
The spelling of 1392161396860 in words is "one trillion, three hundred ninety-two billion, one hundred sixty-one million, three hundred ninety-six thousand, eight hundred sixty".
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