Base | Representation |
---|---|
bin | 111111111100000000… |
… | …0100101111111110101 |
3 | 111010102000101011202110 |
4 | 1333320000211333311 |
5 | 4222200023011011 |
6 | 143024344201233 |
7 | 12630354214530 |
oct | 1777000457765 |
9 | 433360334673 |
10 | 137304891381 |
11 | 5325a039149 |
12 | 2273b169219 |
13 | cc423cba78 |
14 | 690770da17 |
15 | 3889305ba6 |
hex | 1ff8025ff5 |
137304891381 has 16 divisors (see below), whose sum is σ = 209313792000. Its totient is φ = 78427203888.
The previous prime is 137304891337. The next prime is 137304891403. The reversal of 137304891381 is 183198403731.
It is not a de Polignac number, because 137304891381 - 218 = 137304629237 is a prime.
It is a super-2 number, since 2×1373048913812 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 137304891381.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (137304891181) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1312341 + ... + 1413098.
It is an arithmetic number, because the mean of its divisors is an integer number (13082112000).
Almost surely, 2137304891381 is an apocalyptic number.
It is an amenable number.
137304891381 is a deficient number, since it is larger than the sum of its proper divisors (72008900619).
137304891381 is a wasteful number, since it uses less digits than its factorization.
137304891381 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2727848.
The product of its (nonzero) digits is 435456, while the sum is 48.
The spelling of 137304891381 in words is "one hundred thirty-seven billion, three hundred four million, eight hundred ninety-one thousand, three hundred eighty-one".
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