Base | Representation |
---|---|
bin | 11101010010000101… |
… | …100110001000111111 |
3 | 10000011020121112222022 |
4 | 131102011212020333 |
5 | 1003343121012402 |
6 | 22235542310355 |
7 | 2162106222140 |
oct | 352205461077 |
9 | 100136545868 |
10 | 31441969727 |
11 | 12375199253 |
12 | 6115a283bb |
13 | 2c71049b1c |
14 | 1743b63ac7 |
15 | c4050e2a2 |
hex | 75216623f |
31441969727 has 24 divisors (see below), whose sum is σ = 38191202784. Its totient is φ = 25352036352.
The previous prime is 31441969723. The next prime is 31441969729. The reversal of 31441969727 is 72796914413.
It is not a de Polignac number, because 31441969727 - 22 = 31441969723 is a prime.
Its product of digits (2286144) is a multiple of the sum of its prime divisors (7938).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31441969721) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7315043 + ... + 7319339.
It is an arithmetic number, because the mean of its divisors is an integer number (1591300116).
Almost surely, 231441969727 is an apocalyptic number.
31441969727 is a deficient number, since it is larger than the sum of its proper divisors (6749233057).
31441969727 is a wasteful number, since it uses less digits than its factorization.
31441969727 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7955 (or 7938 counting only the distinct ones).
The product of its digits is 2286144, while the sum is 53.
The spelling of 31441969727 in words is "thirty-one billion, four hundred forty-one million, nine hundred sixty-nine thousand, seven hundred twenty-seven".
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