Base | Representation |
---|---|
bin | 111101000000001000… |
… | …1010001011010100000 |
3 | 110112010200112212001021 |
4 | 1322000101101122200 |
5 | 4121242230432204 |
6 | 140103034415224 |
7 | 12315220246024 |
oct | 1720021213240 |
9 | 415120485037 |
10 | 131001030304 |
11 | 50614737001 |
12 | 2147bb91514 |
13 | c4793b2961 |
14 | 64aa404384 |
15 | 361ab9a154 |
hex | 1e804516a0 |
131001030304 has 24 divisors (see below), whose sum is σ = 260461832148. Its totient is φ = 64851993600.
The previous prime is 131001030283. The next prime is 131001030323. The reversal of 131001030304 is 403030100131.
It can be written as a sum of positive squares in 2 ways, for example, as 130219939600 + 781090704 = 360860^2 + 27948^2 .
It is a super-2 number, since 2×1310010303042 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (16).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20263017 + ... + 20269480.
Almost surely, 2131001030304 is an apocalyptic number.
It is an amenable number.
131001030304 is a deficient number, since it is larger than the sum of its proper divisors (129460801844).
131001030304 is a wasteful number, since it uses less digits than its factorization.
131001030304 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40532608 (or 40532600 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 131001030304 its reverse (403030100131), we get a palindrome (534031130435).
The spelling of 131001030304 in words is "one hundred thirty-one billion, one million, thirty thousand, three hundred four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •