Base | Representation |
---|---|
bin | 100100001011101… |
… | …1011111001100011 |
3 | 10010121112211101221 |
4 | 1020113123321203 |
5 | 4441302300024 |
6 | 320250235511 |
7 | 42041464204 |
oct | 11027337143 |
9 | 3117484357 |
10 | 1214103139 |
11 | 573369727 |
12 | 29a725b97 |
13 | 1646c1832 |
14 | b73615ab |
15 | 718c43e4 |
hex | 485dbe63 |
1214103139 has 12 divisors (see below), whose sum is σ = 1272183136. Its totient is φ = 1158574032.
The previous prime is 1214103131. The next prime is 1214103157. The reversal of 1214103139 is 9313014121.
It is not a de Polignac number, because 1214103139 - 23 = 1214103131 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1214103131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242449 + ... + 247405.
Almost surely, 21214103139 is an apocalyptic number.
1214103139 is a deficient number, since it is larger than the sum of its proper divisors (58079997).
1214103139 is an equidigital number, since it uses as much as digits as its factorization.
1214103139 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5466 (or 5443 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 25.
The square root of 1214103139 is about 34843.9828234374. The cubic root of 1214103139 is about 1066.8053720775.
The spelling of 1214103139 in words is "one billion, two hundred fourteen million, one hundred three thousand, one hundred thirty-nine".
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