Base | Representation |
---|---|
bin | 1001011001011101111… |
… | …0010000111001100011 |
3 | 120102202002020000202212 |
4 | 2112113132100321203 |
5 | 10121130000124412 |
6 | 202101010432335 |
7 | 14444002364003 |
oct | 2262736207143 |
9 | 512662200685 |
10 | 161455083107 |
11 | 6252220468a |
12 | 2735ab926ab |
13 | 122c0863346 |
14 | 7b58c84003 |
15 | 42ee5b3222 |
hex | 2597790e63 |
161455083107 has 8 divisors (see below), whose sum is σ = 170189107200. Its totient is φ = 152744697864.
The previous prime is 161455083071. The next prime is 161455083131. The reversal of 161455083107 is 701380554161.
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 161455083107 - 26 = 161455083043 is a prime.
It is a super-2 number, since 2×1614550831072 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (161455083197) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5895683 + ... + 5923004.
It is an arithmetic number, because the mean of its divisors is an integer number (21273638400).
Almost surely, 2161455083107 is an apocalyptic number.
161455083107 is a deficient number, since it is larger than the sum of its proper divisors (8734024093).
161455083107 is a wasteful number, since it uses less digits than its factorization.
161455083107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11819425.
The product of its (nonzero) digits is 100800, while the sum is 41.
The spelling of 161455083107 in words is "one hundred sixty-one billion, four hundred fifty-five million, eighty-three thousand, one hundred seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •