Base | Representation |
---|---|
bin | 1000001001000100010… |
… | …0000101001010011111 |
3 | 111101000222012100202022 |
4 | 2002101010011022133 |
5 | 4242424404011034 |
6 | 144131233450355 |
7 | 13051114333121 |
oct | 2022104051237 |
9 | 441028170668 |
10 | 139872719519 |
11 | 5435755a465 |
12 | 231371109bb |
13 | 102613b92c0 |
14 | 6aac779211 |
15 | 398997db2e |
hex | 209110529f |
139872719519 has 8 divisors (see below), whose sum is σ = 150646070400. Its totient is φ = 129101355936.
The previous prime is 139872719507. The next prime is 139872719537. The reversal of 139872719519 is 915917278931.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 139872719519 - 28 = 139872719263 is a prime.
It is a super-2 number, since 2×1398727195192 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (139872719219) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349007 + ... + 633680.
It is an arithmetic number, because the mean of its divisors is an integer number (18830758800).
Almost surely, 2139872719519 is an apocalyptic number.
139872719519 is a deficient number, since it is larger than the sum of its proper divisors (10773350881).
139872719519 is a wasteful number, since it uses less digits than its factorization.
139872719519 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 993649.
The product of its digits is 8573040, while the sum is 62.
The spelling of 139872719519 in words is "one hundred thirty-nine billion, eight hundred seventy-two million, seven hundred nineteen thousand, five hundred nineteen".
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