Base | Representation |
---|---|
bin | 111010011010111… |
… | …001111010101101 |
3 | 2112022021211122201 |
4 | 322122321322231 |
5 | 4001403202001 |
6 | 241131341501 |
7 | 33200660146 |
oct | 7232717255 |
9 | 2468254581 |
10 | 980131501 |
11 | 463293338 |
12 | 2342b1891 |
13 | 1280a188b |
14 | 94258acd |
15 | 5b0a9501 |
hex | 3a6b9ead |
980131501 has 4 divisors (see below), whose sum is σ = 981103900. Its totient is φ = 979159104.
The previous prime is 980131483. The next prime is 980131513. The reversal of 980131501 is 105131089.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 280529001 + 699602500 = 16749^2 + 26450^2 .
It is a cyclic number.
It is not a de Polignac number, because 980131501 - 29 = 980130989 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 980131501.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (980131571) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484686 + ... + 486703.
It is an arithmetic number, because the mean of its divisors is an integer number (245275975).
Almost surely, 2980131501 is an apocalyptic number.
It is an amenable number.
980131501 is a deficient number, since it is larger than the sum of its proper divisors (972399).
980131501 is a wasteful number, since it uses less digits than its factorization.
980131501 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 972398.
The product of its (nonzero) digits is 1080, while the sum is 28.
The square root of 980131501 is about 31307.0519372233. The cubic root of 980131501 is about 993.3328144250.
The spelling of 980131501 in words is "nine hundred eighty million, one hundred thirty-one thousand, five hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •