Base | Representation |
---|---|
bin | 100001000011011011… |
… | …1110011011011100101 |
3 | 20210012212122000122222 |
4 | 1002012313303123211 |
5 | 2130332424033021 |
6 | 52335300002125 |
7 | 5062002121604 |
oct | 1020667633345 |
9 | 223185560588 |
10 | 70982252261 |
11 | 281156a37a8 |
12 | 1190b990345 |
13 | 6902aac5cb |
14 | 3615263a3b |
15 | 1ca69886ab |
hex | 1086df36e5 |
70982252261 has 2 divisors, whose sum is σ = 70982252262. Its totient is φ = 70982252260.
The previous prime is 70982252249. The next prime is 70982252281. The reversal of 70982252261 is 16225228907.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 70942322500 + 39929761 = 266350^2 + 6319^2 .
It is an emirp because it is prime and its reverse (16225228907) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 70982252261 - 234 = 53802383077 is a prime.
It is a super-2 number, since 2×709822522612 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (70982252281) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35491126130 + 35491126131.
It is an arithmetic number, because the mean of its divisors is an integer number (35491126131).
Almost surely, 270982252261 is an apocalyptic number.
It is an amenable number.
70982252261 is a deficient number, since it is larger than the sum of its proper divisors (1).
70982252261 is an equidigital number, since it uses as much as digits as its factorization.
70982252261 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 241920, while the sum is 44.
The spelling of 70982252261 in words is "seventy billion, nine hundred eighty-two million, two hundred fifty-two thousand, two hundred sixty-one".
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