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69999676213 is a prime number
BaseRepresentation
bin100000100110001001…
…1100100101100110101
320200200101201222201111
41001030103210230311
52121324404114323
652053555555021
75025441300445
oct1011423445465
9220611658644
1069999676213
1127760aa0885
12116968bba71
1367a736316c
143560970125
151c4a599c0d
hex104c4e4b35

69999676213 has 2 divisors, whose sum is σ = 69999676214. Its totient is φ = 69999676212.

The previous prime is 69999676181. The next prime is 69999676237. The reversal of 69999676213 is 31267699996.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42099653124 + 27900023089 = 205182^2 + 167033^2 .

It is a cyclic number.

It is not a de Polignac number, because 69999676213 - 25 = 69999676181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69999676273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34999838106 + 34999838107.

It is an arithmetic number, because the mean of its divisors is an integer number (34999838107).

Almost surely, 269999676213 is an apocalyptic number.

It is an amenable number.

69999676213 is a deficient number, since it is larger than the sum of its proper divisors (1).

69999676213 is an equidigital number, since it uses as much as digits as its factorization.

69999676213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 59521392, while the sum is 67.

The spelling of 69999676213 in words is "sixty-nine billion, nine hundred ninety-nine million, six hundred seventy-six thousand, two hundred thirteen".