Base | Representation |
---|---|
bin | 11101010010100100… |
… | …010100101000010110 |
3 | 10000011210202210000010 |
4 | 131102210110220112 |
5 | 1003402201240340 |
6 | 22240431101050 |
7 | 2162234540304 |
oct | 352244245026 |
9 | 100153683003 |
10 | 31450024470 |
11 | 1237979a967 |
12 | 6118671786 |
13 | 2c7290a147 |
14 | 1744c5d274 |
15 | c410a0b80 |
hex | 752914a16 |
31450024470 has 32 divisors (see below), whose sum is σ = 75624417792. Its totient is φ = 8370633312.
The previous prime is 31450024423. The next prime is 31450024471. The reversal of 31450024470 is 7442005413.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31450024471) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 986542 + ... + 1017921.
It is an arithmetic number, because the mean of its divisors is an integer number (2363263056).
Almost surely, 231450024470 is an apocalyptic number.
31450024470 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31450024470 is an abundant number, since it is smaller than the sum of its proper divisors (44174393322).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31450024470 is a wasteful number, since it uses less digits than its factorization.
31450024470 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2004996.
The product of its (nonzero) digits is 13440, while the sum is 30.
Adding to 31450024470 its reverse (7442005413), we get a palindrome (38892029883).
The spelling of 31450024470 in words is "thirty-one billion, four hundred fifty million, twenty-four thousand, four hundred seventy".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •