Base | Representation |
---|---|
bin | 10100010001000001010… |
… | …111111110011110110100 |
3 | 11221010201022011120101121 |
4 | 110101001113332132310 |
5 | 140304140022130210 |
6 | 2543440530033324 |
7 | 202421365310542 |
oct | 24210127763664 |
9 | 4833638146347 |
10 | 1392666208180 |
11 | 497698849a15 |
12 | 1a5aa9118844 |
13 | a14354012a0 |
14 | 4b596600d92 |
15 | 2635e3ae6da |
hex | 144415fe7b4 |
1392666208180 has 48 divisors (see below), whose sum is σ = 3159083700864. Its totient is φ = 512661663360.
The previous prime is 1392666208159. The next prime is 1392666208187. The reversal of 1392666208180 is 818026662931.
It is a Harshad number since it is a multiple of its sum of digits (52).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1392666208187) 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, 8005192 + ... + 8177311.
It is an arithmetic number, because the mean of its divisors is an integer number (65814243768).
Almost surely, 21392666208180 is an apocalyptic number.
1392666208180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1392666208180 is an abundant number, since it is smaller than the sum of its proper divisors (1766417492684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1392666208180 is a wasteful number, since it uses less digits than its factorization.
1392666208180 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16182856 (or 16182854 counting only the distinct ones).
The product of its (nonzero) digits is 1492992, while the sum is 52.
The spelling of 1392666208180 in words is "one trillion, three hundred ninety-two billion, six hundred sixty-six million, two hundred eight thousand, one hundred eighty".
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