Base | Representation |
---|---|
bin | 1000000101001001010… |
… | …0010100100111100010 |
3 | 111021022121100022012222 |
4 | 2001102110110213202 |
5 | 4233300410400024 |
6 | 143434550351042 |
7 | 13013042431361 |
oct | 2012224244742 |
9 | 437277308188 |
10 | 138820012514 |
11 | 53967307077 |
12 | 22aa265b482 |
13 | 10124286851 |
14 | 6a0ca2b7d8 |
15 | 392733a85e |
hex | 20525149e2 |
138820012514 has 32 divisors (see below), whose sum is σ = 220113452160. Its totient is φ = 65533007232.
The previous prime is 138820012459. The next prime is 138820012519. The reversal of 138820012514 is 415210028831.
It is not an unprimeable number, because it can be changed into a prime (138820012519) 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, 1043414 + ... + 1168910.
It is an arithmetic number, because the mean of its divisors is an integer number (6878545380).
Almost surely, 2138820012514 is an apocalyptic number.
138820012514 is a deficient number, since it is larger than the sum of its proper divisors (81293439646).
138820012514 is a wasteful number, since it uses less digits than its factorization.
138820012514 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 125834.
The product of its (nonzero) digits is 15360, while the sum is 35.
The spelling of 138820012514 in words is "one hundred thirty-eight billion, eight hundred twenty million, twelve thousand, five hundred fourteen".
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