Base | Representation |
---|---|
bin | 1100000000101… |
… | …01101100001011 |
3 | 21000120201221201 |
4 | 12000111230023 |
5 | 201243032024 |
6 | 13555245031 |
7 | 2332244005 |
oct | 600255413 |
9 | 230521851 |
10 | 100752139 |
11 | 51965634 |
12 | 298a9777 |
13 | 17b47c67 |
14 | d549375 |
15 | 8ca2744 |
hex | 6015b0b |
100752139 has 8 divisors (see below), whose sum is σ = 106422272. Its totient is φ = 95233320.
The previous prime is 100752133. The next prime is 100752151. The reversal of 100752139 is 931257001.
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 100752139 - 23 = 100752131 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (100752131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36459 + ... + 39124.
It is an arithmetic number, because the mean of its divisors is an integer number (13302784).
Almost surely, 2100752139 is an apocalyptic number.
100752139 is a deficient number, since it is larger than the sum of its proper divisors (5670133).
100752139 is an equidigital number, since it uses as much as digits as its factorization.
100752139 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75657.
The product of its (nonzero) digits is 1890, while the sum is 28.
The square root of 100752139 is about 10037.5365005563. The cubic root of 100752139 is about 465.3196845890.
The spelling of 100752139 in words is "one hundred million, seven hundred fifty-two thousand, one hundred thirty-nine".
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