Base | Representation |
---|---|
bin | 11101010011101001… |
… | …001100001100000111 |
3 | 10000020001201222120010 |
4 | 131103221030030013 |
5 | 1003421311442311 |
6 | 22242314041303 |
7 | 2162544151101 |
oct | 352351141407 |
9 | 100201658503 |
10 | 31468077831 |
11 | 12388a006a3 |
12 | 6122719233 |
13 | 2c7658b4c8 |
14 | 17473dc571 |
15 | c42969da6 |
hex | 753a4c307 |
31468077831 has 8 divisors (see below), whose sum is σ = 43781673600. Its totient is φ = 20066600312.
The previous prime is 31468077829. The next prime is 31468077833. The reversal of 31468077831 is 13877086413.
It is an interprime number because it is at equal distance from previous prime (31468077829) and next prime (31468077833).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31468077831 - 21 = 31468077829 is a prime.
It is a super-2 number, since 2×314680778312 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31468077833) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228029481 + ... + 228029618.
It is an arithmetic number, because the mean of its divisors is an integer number (5472709200).
Almost surely, 231468077831 is an apocalyptic number.
31468077831 is a deficient number, since it is larger than the sum of its proper divisors (12313595769).
31468077831 is a wasteful number, since it uses less digits than its factorization.
31468077831 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 456059125.
The product of its (nonzero) digits is 677376, while the sum is 48.
The spelling of 31468077831 in words is "thirty-one billion, four hundred sixty-eight million, seventy-seven thousand, eight hundred thirty-one".
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