Base | Representation |
---|---|
bin | 1101111000010101111… |
… | …0011000100110000001 |
3 | 211210111212022221222012 |
4 | 3132011132120212001 |
5 | 12401332402123230 |
6 | 301314223422305 |
7 | 23141216053445 |
oct | 3360536304601 |
9 | 753455287865 |
10 | 238462536065 |
11 | 92149980896 |
12 | 3a270754995 |
13 | 196439c3060 |
14 | b7823d6825 |
15 | 6309eb1395 |
hex | 3785798981 |
238462536065 has 8 divisors (see below), whose sum is σ = 308166969768. Its totient is φ = 176095411200.
The previous prime is 238462536047. The next prime is 238462536071. The reversal of 238462536065 is 560635264832.
It can be written as a sum of positive squares in 4 ways, for example, as 4968699121 + 233493836944 = 70489^2 + 483212^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 238462536065 - 220 = 238461487489 is a prime.
It is a super-2 number, since 2×2384625360652 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1834327136 + ... + 1834327265.
It is an arithmetic number, because the mean of its divisors is an integer number (38520871221).
Almost surely, 2238462536065 is an apocalyptic number.
It is an amenable number.
238462536065 is a deficient number, since it is larger than the sum of its proper divisors (69704433703).
238462536065 is a wasteful number, since it uses less digits than its factorization.
238462536065 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3668654419.
The product of its (nonzero) digits is 6220800, while the sum is 50.
The spelling of 238462536065 in words is "two hundred thirty-eight billion, four hundred sixty-two million, five hundred thirty-six thousand, sixty-five".
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