Base | Representation |
---|---|
bin | 11101010010101001… |
… | …010010101011111110 |
3 | 10000011220012222001111 |
4 | 131102221102223332 |
5 | 1003403014432410 |
6 | 22240515032234 |
7 | 2162251604401 |
oct | 352251225376 |
9 | 100156188044 |
10 | 31451327230 |
11 | 1237a4aa724 |
12 | 6118b9b67a |
13 | 2c72c750cb |
14 | 17450bbd38 |
15 | c4125bb8a |
hex | 752a52afe |
31451327230 has 32 divisors (see below), whose sum is σ = 59084956224. Its totient is φ = 12031278336.
The previous prime is 31451327189. The next prime is 31451327251. The reversal of 31451327230 is 3272315413.
It is a super-3 number, since 3×314513272303 (a number of 32 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 31451327192 and 31451327201.
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, 1700392 + ... + 1718788.
It is an arithmetic number, because the mean of its divisors is an integer number (1846404882).
Almost surely, 231451327230 is an apocalyptic number.
31451327230 is a deficient number, since it is larger than the sum of its proper divisors (27633628994).
31451327230 is a wasteful number, since it uses less digits than its factorization.
31451327230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25860.
The product of its (nonzero) digits is 15120, while the sum is 31.
The spelling of 31451327230 in words is "thirty-one billion, four hundred fifty-one million, three hundred twenty-seven thousand, two hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •