Base | Representation |
---|---|
bin | 1000100110001… |
… | …00000010000111 |
3 | 12000200101000000 |
4 | 10103010002013 |
5 | 121424343434 |
6 | 11053252343 |
7 | 1533614631 |
oct | 423040207 |
9 | 160611000 |
10 | 72106119 |
11 | 3777a438 |
12 | 201940b3 |
13 | 11c28357 |
14 | 980da51 |
15 | 64e4b99 |
hex | 44c4087 |
72106119 has 14 divisors (see below), whose sum is σ = 108110816. Its totient is φ = 48070260.
The previous prime is 72106079. The next prime is 72106169. The reversal of 72106119 is 91160127.
It is not a de Polignac number, because 72106119 - 27 = 72105991 is a prime.
It is a super-2 number, since 2×721061192 = 10398584794484322, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 72106092 and 72106101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72106169) by changing a digit.
It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 48727 + ... + 50184.
Almost surely, 272106119 is an apocalyptic number.
72106119 is a deficient number, since it is larger than the sum of its proper divisors (36004697).
72106119 is an frugal number, since it uses more digits than its factorization.
72106119 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 98929 (or 98914 counting only the distinct ones).
The product of its (nonzero) digits is 756, while the sum is 27.
The square root of 72106119 is about 8491.5321938976. The cubic root of 72106119 is about 416.2210498492.
The spelling of 72106119 in words is "seventy-two million, one hundred six thousand, one hundred nineteen".
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