Base | Representation |
---|---|
bin | 101000000101011… |
… | …0001000111111011 |
3 | 10110201212002001021 |
4 | 1100022301013323 |
5 | 10223304444211 |
6 | 341244003311 |
7 | 45221211412 |
oct | 12012610773 |
9 | 3421762037 |
10 | 1344999931 |
11 | 6302433a0 |
12 | 316530537 |
13 | 185862562 |
14 | ca8b6479 |
15 | 7d12d771 |
hex | 502b11fb |
1344999931 has 48 divisors (see below), whose sum is σ = 1623317760. Its totient is φ = 1104320000.
The previous prime is 1344999923. The next prime is 1344999937. The reversal of 1344999931 is 1399994431.
It is a happy number.
It is not a de Polignac number, because 1344999931 - 23 = 1344999923 is a prime.
It is a super-2 number, since 2×13449999312 = 3618049628780009522, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1344999937) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13316781 + ... + 13316881.
It is an arithmetic number, because the mean of its divisors is an integer number (33819120).
Almost surely, 21344999931 is an apocalyptic number.
1344999931 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1344999931 is a deficient number, since it is larger than the sum of its proper divisors (278317829).
1344999931 is a wasteful number, since it uses less digits than its factorization.
1344999931 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 276 (or 259 counting only the distinct ones).
The product of its digits is 944784, while the sum is 52.
The square root of 1344999931 is about 36674.2407010697. The cubic root of 1344999931 is about 1103.8432866170.
It can be divided in two parts, 13 and 44999931, that added together give a palindrome (44999944).
The spelling of 1344999931 in words is "one billion, three hundred forty-four million, nine hundred ninety-nine thousand, nine hundred thirty-one".
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