Base | Representation |
---|---|
bin | 100000000101011010… |
… | …1110111111001010011 |
3 | 20120211212002022212020 |
4 | 1000022311313321103 |
5 | 2112102222341400 |
6 | 51353003302523 |
7 | 4656303665016 |
oct | 1001265677123 |
9 | 216755068766 |
10 | 68901371475 |
11 | 27248034212 |
12 | 1142ab1aa43 |
13 | 6660956cc1 |
14 | 3498b5337d |
15 | 1bd3e4b2a0 |
hex | 100ad77e53 |
68901371475 has 12 divisors (see below), whose sum is σ = 113916934296. Its totient is φ = 36747398080.
The previous prime is 68901371459. The next prime is 68901371531. The reversal of 68901371475 is 57417310986.
It is a happy number.
It is not a de Polignac number, because 68901371475 - 24 = 68901371459 is a prime.
It is a super-2 number, since 2×689013714752 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 459342402 + ... + 459342551.
It is an arithmetic number, because the mean of its divisors is an integer number (9493077858).
Almost surely, 268901371475 is an apocalyptic number.
68901371475 is a deficient number, since it is larger than the sum of its proper divisors (45015562821).
68901371475 is a wasteful number, since it uses less digits than its factorization.
68901371475 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 918684966 (or 918684961 counting only the distinct ones).
The product of its (nonzero) digits is 1270080, while the sum is 51.
The spelling of 68901371475 in words is "sixty-eight billion, nine hundred one million, three hundred seventy-one thousand, four hundred seventy-five".
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