Base | Representation |
---|---|
bin | 111100101001001100… |
… | …1011111001110101001 |
3 | 110110011001102012210021 |
4 | 1321102121133032221 |
5 | 4113203221311410 |
6 | 135454423320441 |
7 | 12260153623345 |
oct | 1712231371651 |
9 | 413131365707 |
10 | 130231432105 |
11 | 5025a280535 |
12 | 212a62b0121 |
13 | c385b158c8 |
14 | 6436110625 |
15 | 35c332aeda |
hex | 1e5265f3a9 |
130231432105 has 16 divisors (see below), whose sum is σ = 157034951424. Its totient is φ = 103680818560.
The previous prime is 130231432091. The next prime is 130231432141. The reversal of 130231432105 is 501234132031.
It is a happy number.
It is not a de Polignac number, because 130231432105 - 219 = 130230907817 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 130231432105.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2149842 + ... + 2209588.
It is an arithmetic number, because the mean of its divisors is an integer number (9814684464).
Almost surely, 2130231432105 is an apocalyptic number.
It is an amenable number.
130231432105 is a deficient number, since it is larger than the sum of its proper divisors (26803519319).
130231432105 is a wasteful number, since it uses less digits than its factorization.
130231432105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61856.
The product of its (nonzero) digits is 2160, while the sum is 25.
Adding to 130231432105 its reverse (501234132031), we get a palindrome (631465564136).
The spelling of 130231432105 in words is "one hundred thirty billion, two hundred thirty-one million, four hundred thirty-two thousand, one hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •