Base | Representation |
---|---|
bin | 11101101001111001… |
… | …100011101000111100 |
3 | 10001012002100010010101 |
4 | 131221321203220330 |
5 | 1010202403420230 |
6 | 22343333050444 |
7 | 2205030001063 |
oct | 355171435074 |
9 | 101162303111 |
10 | 31841466940 |
11 | 1255a750438 |
12 | 6207786a24 |
13 | 3005a435ca |
14 | 1780c371da |
15 | c65623aca |
hex | 769e63a3c |
31841466940 has 48 divisors (see below), whose sum is σ = 68324457600. Its totient is φ = 12459267072.
The previous prime is 31841466931. The next prime is 31841466953. The reversal of 31841466940 is 4966414813.
It is a super-2 number, since 2×318414669402 (a number of 22 digits) contains 22 as substring.
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, 2125396 + ... + 2140324.
It is an arithmetic number, because the mean of its divisors is an integer number (1423426200).
Almost surely, 231841466940 is an apocalyptic number.
It is an amenable number.
31841466940 is an abundant number, since it is smaller than the sum of its proper divisors (36482990660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31841466940 is a wasteful number, since it uses less digits than its factorization.
31841466940 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17254 (or 17252 counting only the distinct ones).
The product of its (nonzero) digits is 497664, while the sum is 46.
The spelling of 31841466940 in words is "thirty-one billion, eight hundred forty-one million, four hundred sixty-six thousand, nine hundred forty".
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