Base | Representation |
---|---|
bin | 10101100110001110101… |
… | …00010011011000110101 |
3 | 2121221102201100201112211 |
4 | 22303013110103120311 |
5 | 44124234030110224 |
6 | 1324523414413421 |
7 | 104420252004142 |
oct | 12630724233065 |
9 | 2557381321484 |
10 | 742078363189 |
11 | 266793987769 |
12 | bb9a0661271 |
13 | 54c92ca2bb7 |
14 | 27cb99293c9 |
15 | 14483280894 |
hex | acc7513635 |
742078363189 has 2 divisors, whose sum is σ = 742078363190. Its totient is φ = 742078363188.
The previous prime is 742078363177. The next prime is 742078363211. The reversal of 742078363189 is 981363870247.
742078363189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 682656012900 + 59422350289 = 826230^2 + 243767^2 .
It is a cyclic number.
It is not a de Polignac number, because 742078363189 - 29 = 742078362677 is a prime.
It is a super-2 number, since 2×7420783631892 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (742078369189) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371039181594 + 371039181595.
It is an arithmetic number, because the mean of its divisors is an integer number (371039181595).
Almost surely, 2742078363189 is an apocalyptic number.
It is an amenable number.
742078363189 is a deficient number, since it is larger than the sum of its proper divisors (1).
742078363189 is an equidigital number, since it uses as much as digits as its factorization.
742078363189 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 12192768, while the sum is 58.
The spelling of 742078363189 in words is "seven hundred forty-two billion, seventy-eight million, three hundred sixty-three thousand, one hundred eighty-nine".
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