Base | Representation |
---|---|
bin | 100100001011110… |
… | …0110111011000110 |
3 | 10010121122010100100 |
4 | 1020113212323012 |
5 | 4441310221134 |
6 | 320251224530 |
7 | 42042042642 |
oct | 11027467306 |
9 | 3117563310 |
10 | 1214148294 |
11 | 57339a647 |
12 | 29a748146 |
13 | 164709258 |
14 | b7373c22 |
15 | 718d2999 |
hex | 485e6ec6 |
1214148294 has 48 divisors (see below), whose sum is σ = 2719641600. Its totient is φ = 391065840.
The previous prime is 1214148289. The next prime is 1214148323. The reversal of 1214148294 is 4928414121.
It is a super-2 number, since 2×12141482942 = 2948312159646220872, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 504907 + ... + 507305.
It is an arithmetic number, because the mean of its divisors is an integer number (56659200).
Almost surely, 21214148294 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1214148294, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1359820800).
1214148294 is an abundant number, since it is smaller than the sum of its proper divisors (1505493306).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1214148294 is a wasteful number, since it uses less digits than its factorization.
1214148294 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3345 (or 3342 counting only the distinct ones).
The product of its digits is 18432, while the sum is 36.
The square root of 1214148294 is about 34844.6307772087. The cubic root of 1214148294 is about 1066.8185974776.
The spelling of 1214148294 in words is "one billion, two hundred fourteen million, one hundred forty-eight thousand, two hundred ninety-four".
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