Base | Representation |
---|---|
bin | 111101000000001000… |
… | …1001111101000110110 |
3 | 110112010200112111001212 |
4 | 1322000101033220312 |
5 | 4121242230214110 |
6 | 140103034321422 |
7 | 12315220215563 |
oct | 1720021175066 |
9 | 415120474055 |
10 | 131001023030 |
11 | 50614731599 |
12 | 2147bb89272 |
13 | c4793ac557 |
14 | 64aa40186a |
15 | 361ab97e05 |
hex | 1e8044fa36 |
131001023030 has 16 divisors (see below), whose sum is σ = 242174864880. Its totient is φ = 50984181792.
The previous prime is 131001023029. The next prime is 131001023047. The reversal of 131001023030 is 30320100131.
It is a super-2 number, since 2×1310010230302 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 131001022996 and 131001023014.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177028040 + ... + 177028779.
It is an arithmetic number, because the mean of its divisors is an integer number (15135929055).
Almost surely, 2131001023030 is an apocalyptic number.
131001023030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131001023030 is a deficient number, since it is larger than the sum of its proper divisors (111173841850).
131001023030 is a wasteful number, since it uses less digits than its factorization.
131001023030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 354056863.
The product of its (nonzero) digits is 54, while the sum is 14.
Adding to 131001023030 its reverse (30320100131), we get a palindrome (161321123161).
The spelling of 131001023030 in words is "one hundred thirty-one billion, one million, twenty-three thousand, thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •