Base | Representation |
---|---|
bin | 101010010001001… |
… | …1101100000111011 |
3 | 10122211211010011211 |
4 | 1110202131200323 |
5 | 10401042214211 |
6 | 352423303551 |
7 | 50101343350 |
oct | 12442354073 |
9 | 3584733154 |
10 | 1418319931 |
11 | 668671836 |
12 | 336baabb7 |
13 | 197ac4282 |
14 | d6520627 |
15 | 847b2e21 |
hex | 5489d83b |
1418319931 has 16 divisors (see below), whose sum is σ = 1641323520. Its totient is φ = 1200450240.
The previous prime is 1418319901. The next prime is 1418319941. The reversal of 1418319931 is 1399138141.
It is a cyclic number.
It is not a de Polignac number, because 1418319931 - 25 = 1418319899 is a prime.
It is a super-2 number, since 2×14183199312 = 4023262853343689522, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1418319901) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 925636 + ... + 927166.
It is an arithmetic number, because the mean of its divisors is an integer number (102582720).
Almost surely, 21418319931 is an apocalyptic number.
1418319931 is a deficient number, since it is larger than the sum of its proper divisors (223003589).
1418319931 is a wasteful number, since it uses less digits than its factorization.
1418319931 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3114.
The product of its digits is 23328, while the sum is 40.
The square root of 1418319931 is about 37660.5885641741. The cubic root of 1418319931 is about 1123.5474074681.
The spelling of 1418319931 in words is "one billion, four hundred eighteen million, three hundred nineteen thousand, nine hundred thirty-one".
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