Base | Representation |
---|---|
bin | 100011110011010… |
… | …0110001110011101 |
3 | 10002201110101022201 |
4 | 1013212212032131 |
5 | 4430013103011 |
6 | 315112011501 |
7 | 41524612321 |
oct | 10746461635 |
9 | 3081411281 |
10 | 1201300381 |
11 | 567114836 |
12 | 296390b91 |
13 | 161b5b338 |
14 | b578b981 |
15 | 706e5cc1 |
hex | 479a639d |
1201300381 has 2 divisors, whose sum is σ = 1201300382. Its totient is φ = 1201300380.
The previous prime is 1201300343. The next prime is 1201300481. The reversal of 1201300381 is 1830031021.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1179304281 + 21996100 = 34341^2 + 4690^2 .
It is a cyclic number.
It is not a de Polignac number, because 1201300381 - 27 = 1201300253 is a prime.
It is a super-2 number, since 2×12013003812 = 2886245210781490322, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1201300181) 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 as a sum of consecutive naturals, namely, 600650190 + 600650191.
It is an arithmetic number, because the mean of its divisors is an integer number (600650191).
Almost surely, 21201300381 is an apocalyptic number.
It is an amenable number.
1201300381 is a deficient number, since it is larger than the sum of its proper divisors (1).
1201300381 is an equidigital number, since it uses as much as digits as its factorization.
1201300381 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 144, while the sum is 19.
The square root of 1201300381 is about 34659.7804522764. The cubic root of 1201300381 is about 1063.0422808941.
The spelling of 1201300381 in words is "one billion, two hundred one million, three hundred thousand, three hundred eighty-one".
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