Base | Representation |
---|---|
bin | 101110011111111… |
… | …101011101000000 |
3 | 2000100221201022212 |
4 | 232133331131000 |
5 | 3044203130422 |
6 | 205224521252 |
7 | 25221665546 |
oct | 5637753500 |
9 | 2010851285 |
10 | 780130112 |
11 | 3703aa333 |
12 | 199320228 |
13 | c5816a68 |
14 | 75875d96 |
15 | 4874e9e2 |
hex | 2e7fd740 |
780130112 has 14 divisors (see below), whose sum is σ = 1548070818. Its totient is φ = 390065024.
The previous prime is 780130103. The next prime is 780130121. The reversal of 780130112 is 211031087.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (780130103) and next prime (780130121).
It can be written as a sum of positive squares in only one way, i.e., 464143936 + 315986176 = 21544^2 + 17776^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6094703 + ... + 6094830.
It is an arithmetic number, because the mean of its divisors is an integer number (110576487).
Almost surely, 2780130112 is an apocalyptic number.
It is an amenable number.
780130112 is a deficient number, since it is larger than the sum of its proper divisors (767940706).
780130112 is a wasteful number, since it uses less digits than its factorization.
780130112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12189545 (or 12189535 counting only the distinct ones).
The product of its (nonzero) digits is 336, while the sum is 23.
The square root of 780130112 is about 27930.8093688672. The cubic root of 780130112 is about 920.5675892652.
Adding to 780130112 its reverse (211031087), we get a palindrome (991161199).
The spelling of 780130112 in words is "seven hundred eighty million, one hundred thirty thousand, one hundred twelve".
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