Base | Representation |
---|---|
bin | 100100111101010… |
… | …1100001100010010 |
3 | 10012102111201202021 |
4 | 1021322230030102 |
5 | 10014432402010 |
6 | 323020042054 |
7 | 42505602262 |
oct | 11172541422 |
9 | 3172451667 |
10 | 1240122130 |
11 | 587020125 |
12 | 2a739332a |
13 | 169c017a0 |
14 | ba9b57a2 |
15 | 73d138da |
hex | 49eac312 |
1240122130 has 16 divisors (see below), whose sum is σ = 2403929304. Its totient is φ = 457891200.
The previous prime is 1240122101. The next prime is 1240122151. The reversal of 1240122130 is 312210421.
It can be written as a sum of positive squares in 4 ways, for example, as 825470361 + 414651769 = 28731^2 + 20363^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4769571 + ... + 4769830.
Almost surely, 21240122130 is an apocalyptic number.
1240122130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1240122130 is a deficient number, since it is larger than the sum of its proper divisors (1163807174).
1240122130 is a wasteful number, since it uses less digits than its factorization.
1240122130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9539421.
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 1240122130 is about 35215.3678100911. The cubic root of 1240122130 is about 1074.3723410102.
Adding to 1240122130 its reverse (312210421), we get a palindrome (1552332551).
The spelling of 1240122130 in words is "one billion, two hundred forty million, one hundred twenty-two thousand, one hundred thirty".
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