Base | Representation |
---|---|
bin | 11101000000000110… |
… | …111100001111100010 |
3 | 2222101020000210111200 |
4 | 131000012330033202 |
5 | 1002233411120024 |
6 | 22150005222030 |
7 | 2151454313304 |
oct | 350006741742 |
9 | 88336023450 |
10 | 31140332514 |
11 | 1222a9a67a5 |
12 | 6050a01916 |
13 | 2c236c7a75 |
14 | 1715a85974 |
15 | c23cca2c9 |
hex | 7401bc3e2 |
31140332514 has 48 divisors (see below), whose sum is σ = 68646839040. Its totient is φ = 10199337120.
The previous prime is 31140332467. The next prime is 31140332537. The reversal of 31140332514 is 41523304113.
It is a happy number.
31140332514 is a `hidden beast` number, since 3 + 1 + 1 + 403 + 3 + 251 + 4 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2745984 + ... + 2757300.
It is an arithmetic number, because the mean of its divisors is an integer number (1430142480).
Almost surely, 231140332514 is an apocalyptic number.
31140332514 is an abundant number, since it is smaller than the sum of its proper divisors (37506506526).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31140332514 is a wasteful number, since it uses less digits than its factorization.
31140332514 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13975 (or 13972 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 27.
Adding to 31140332514 its reverse (41523304113), we get a palindrome (72663636627).
The spelling of 31140332514 in words is "thirty-one billion, one hundred forty million, three hundred thirty-two thousand, five hundred fourteen".
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