Base | Representation |
---|---|
bin | 100100000010011110… |
… | …010001000010110111 |
3 | 10200212210201100012221 |
4 | 210002132101002313 |
5 | 1113222211203411 |
6 | 25435441423211 |
7 | 2536633136542 |
oct | 440236210267 |
9 | 120783640187 |
10 | 38696194231 |
11 | 15457aa1512 |
12 | 75bb33ab07 |
13 | 3858c14266 |
14 | 1c31379859 |
15 | 10172e4071 |
hex | 9027910b7 |
38696194231 has 4 divisors (see below), whose sum is σ = 38738302000. Its totient is φ = 38654086464.
The previous prime is 38696194183. The next prime is 38696194247. The reversal of 38696194231 is 13249169683.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13249169683 = 61 ⋅217199503.
It is a cyclic number.
It is not a de Polignac number, because 38696194231 - 29 = 38696193719 is a prime.
It is a super-2 number, since 2×386961942312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38696194331) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21052506 + ... + 21054343.
It is an arithmetic number, because the mean of its divisors is an integer number (9684575500).
Almost surely, 238696194231 is an apocalyptic number.
38696194231 is a deficient number, since it is larger than the sum of its proper divisors (42107769).
38696194231 is an equidigital number, since it uses as much as digits as its factorization.
38696194231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42107768.
The product of its digits is 1679616, while the sum is 52.
The spelling of 38696194231 in words is "thirty-eight billion, six hundred ninety-six million, one hundred ninety-four thousand, two hundred thirty-one".
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