Base | Representation |
---|---|
bin | 11101010010010011… |
… | …001001111011110110 |
3 | 10000011111022010210222 |
4 | 131102103021323312 |
5 | 1003400023233324 |
6 | 22240150414342 |
7 | 2162151355106 |
oct | 352223117366 |
9 | 100144263728 |
10 | 31445524214 |
11 | 123771a6845 |
12 | 61170613b2 |
13 | 2c719c2980 |
14 | 174440b206 |
15 | c409b255e |
hex | 7524c9ef6 |
31445524214 has 32 divisors (see below), whose sum is σ = 51371137440. Its totient is φ = 14349468672.
The previous prime is 31445524213. The next prime is 31445524241. The reversal of 31445524214 is 41242554413.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31445524213) 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, 2791277 + ... + 2802519.
It is an arithmetic number, because the mean of its divisors is an integer number (1605348045).
Almost surely, 231445524214 is an apocalyptic number.
31445524214 is a deficient number, since it is larger than the sum of its proper divisors (19925613226).
31445524214 is a wasteful number, since it uses less digits than its factorization.
31445524214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12464.
The product of its digits is 76800, while the sum is 35.
The spelling of 31445524214 in words is "thirty-one billion, four hundred forty-five million, five hundred twenty-four thousand, two hundred fourteen".
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