Base | Representation |
---|---|
bin | 100100111101010… |
… | …1001100011100010 |
3 | 10012102111011221021 |
4 | 1021322221203202 |
5 | 10014432030310 |
6 | 323015520054 |
7 | 42505525633 |
oct | 11172514342 |
9 | 3172434837 |
10 | 1240111330 |
11 | 587012aa7 |
12 | 2a738902a |
13 | 169bc98b3 |
14 | ba9b188a |
15 | 73d105da |
hex | 49ea98e2 |
1240111330 has 16 divisors (see below), whose sum is σ = 2254303224. Its totient is φ = 491132800.
The previous prime is 1240111303. The next prime is 1240111337. The reversal of 1240111330 is 331110421.
It can be written as a sum of positive squares in 4 ways, for example, as 1186044721 + 54066609 = 34439^2 + 7353^2 .
It is a super-2 number, since 2×12401113302 = 3075752221588737800, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1240111337) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612907 + ... + 614926.
Almost surely, 21240111330 is an apocalyptic number.
1240111330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1240111330 is a deficient number, since it is larger than the sum of its proper divisors (1014191894).
1240111330 is a wasteful number, since it uses less digits than its factorization.
1240111330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1227941.
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 1240111330 is about 35215.2144676133. The cubic root of 1240111330 is about 1074.3692221628.
Adding to 1240111330 its reverse (331110421), we get a palindrome (1571221751).
Subtracting from 1240111330 its reverse (331110421), we obtain a palindrome (909000909).
The spelling of 1240111330 in words is "one billion, two hundred forty million, one hundred eleven thousand, three hundred thirty".
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