Base | Representation |
---|---|
bin | 11111000111010010100… |
… | …011101011001011010010 |
3 | 21120101220001021121120001 |
4 | 133013102203223023102 |
5 | 240012343104011422 |
6 | 4314124410240214 |
7 | 310321613203252 |
oct | 37072243531322 |
9 | 7511801247501 |
10 | 2138131313362 |
11 | 75485a427000 |
12 | 2a6473a2606a |
13 | 126817c37515 |
14 | 756b3c45962 |
15 | 3a93eb29227 |
hex | 1f1d28eb2d2 |
2138131313362 has 64 divisors (see below), whose sum is σ = 3668451379200. Its totient is φ = 933445497600.
The previous prime is 2138131313359. The next prime is 2138131313363. The reversal of 2138131313362 is 2633131318312.
It is a super-2 number, since 2×21381313133622 (a number of 25 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2138131313363) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14672314 + ... + 14817322.
It is an arithmetic number, because the mean of its divisors is an integer number (57319552800).
Almost surely, 22138131313362 is an apocalyptic number.
2138131313362 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
2138131313362 is a deficient number, since it is larger than the sum of its proper divisors (1530320065838).
2138131313362 is a wasteful number, since it uses less digits than its factorization.
2138131313362 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 145264 (or 145242 counting only the distinct ones).
The product of its digits is 46656, while the sum is 37.
The spelling of 2138131313362 in words is "two trillion, one hundred thirty-eight billion, one hundred thirty-one million, three hundred thirteen thousand, three hundred sixty-two".
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