Base | Representation |
---|---|
bin | 100011111110011… |
… | …0111111000001100 |
3 | 10010010110001120102 |
4 | 1013330313320030 |
5 | 4433011433402 |
6 | 315441110232 |
7 | 41625343112 |
oct | 10774677014 |
9 | 3103401512 |
10 | 1207139852 |
11 | 56a443046 |
12 | 298328378 |
13 | 163124249 |
14 | b646bab2 |
15 | 70e9b102 |
hex | 47f37e0c |
1207139852 has 12 divisors (see below), whose sum is σ = 2113479480. Its totient is φ = 603288576.
The previous prime is 1207139827. The next prime is 1207139881. The reversal of 1207139852 is 2589317021.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60533 + ... + 77964.
It is an arithmetic number, because the mean of its divisors is an integer number (176123290).
Almost surely, 21207139852 is an apocalyptic number.
It is an amenable number.
1207139852 is a deficient number, since it is larger than the sum of its proper divisors (906339628).
1207139852 is a wasteful number, since it uses less digits than its factorization.
1207139852 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 140680 (or 140678 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 38.
The square root of 1207139852 is about 34743.9182016076. The cubic root of 1207139852 is about 1064.7619655076.
The spelling of 1207139852 in words is "one billion, two hundred seven million, one hundred thirty-nine thousand, eight hundred fifty-two".
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