Base | Representation |
---|---|
bin | 111100011011111000… |
… | …101010101110111011 |
3 | 20012111110101220102002 |
4 | 330123320222232323 |
5 | 2030344420134441 |
6 | 45451112131215 |
7 | 4455043603643 |
oct | 743370525673 |
9 | 205443356362 |
10 | 64892349371 |
11 | 25580048603 |
12 | 106b0396b0b |
13 | 61721c6b85 |
14 | 31d8531523 |
15 | 1a4bee2b9b |
hex | f1be2abbb |
64892349371 has 8 divisors (see below), whose sum is σ = 68490874320. Its totient is φ = 61312138272.
The previous prime is 64892349343. The next prime is 64892349407. The reversal of 64892349371 is 17394329846.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 64892349371 - 214 = 64892332987 is a prime.
It is a super-2 number, since 2×648923493712 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (64892349311) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4571180 + ... + 4585353.
It is an arithmetic number, because the mean of its divisors is an integer number (8561359290).
Almost surely, 264892349371 is an apocalyptic number.
64892349371 is a deficient number, since it is larger than the sum of its proper divisors (3598524949).
64892349371 is a wasteful number, since it uses less digits than its factorization.
64892349371 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9156925.
The product of its digits is 7838208, while the sum is 56.
The spelling of 64892349371 in words is "sixty-four billion, eight hundred ninety-two million, three hundred forty-nine thousand, three hundred seventy-one".
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