Base | Representation |
---|---|
bin | 1000100111111110… |
… | …0001011101110100 |
3 | 12222100022211022222 |
4 | 2021333201131310 |
5 | 14220133140430 |
6 | 1021421141512 |
7 | 111241200206 |
oct | 21177413564 |
9 | 5870284288 |
10 | 2315130740 |
11 | a88915a9a |
12 | 5473ba898 |
13 | 2ab842160 |
14 | 17d68a776 |
15 | d83ae9e5 |
hex | 89fe1774 |
2315130740 has 48 divisors (see below), whose sum is σ = 5241175632. Its totient is φ = 853933056.
The previous prime is 2315130721. The next prime is 2315130761. The reversal of 2315130740 is 470315132.
It can be written as a sum of positive squares in 8 ways, for example, as 45751696 + 2269379044 = 6764^2 + 47638^2 .
It is a Harshad number since it is a multiple of its sum of digits (26).
It is a congruent number.
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, 281162 + ... + 289278.
It is an arithmetic number, because the mean of its divisors is an integer number (109191159).
Almost surely, 22315130740 is an apocalyptic number.
2315130740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2315130740 is an abundant number, since it is smaller than the sum of its proper divisors (2926044892).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2315130740 is a wasteful number, since it uses less digits than its factorization.
2315130740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9236 (or 9234 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 26.
The square root of 2315130740 is about 48115.8055112870. The cubic root of 2315130740 is about 1322.8943872325.
Adding to 2315130740 its reverse (470315132), we get a palindrome (2785445872).
The spelling of 2315130740 in words is "two billion, three hundred fifteen million, one hundred thirty thousand, seven hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •