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70982252261 is a prime number
BaseRepresentation
bin100001000011011011…
…1110011011011100101
320210012212122000122222
41002012313303123211
52130332424033021
652335300002125
75062002121604
oct1020667633345
9223185560588
1070982252261
11281156a37a8
121190b990345
136902aac5cb
143615263a3b
151ca69886ab
hex1086df36e5

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".