Base | Representation |
---|---|
bin | 1010100011001111110101… |
… | …00100110110101110010111 |
3 | 10001011000200001012211202122 |
4 | 11101213322210312232113 |
5 | 11020112302004043111 |
6 | 121202312413530155 |
7 | 4613145252611345 |
oct | 521477244665627 |
9 | 101130601184678 |
10 | 23201322331031 |
11 | 7435697664879 |
12 | 27286a3aa395b |
13 | cc3b4c0891b0 |
14 | 5a2d42aca995 |
15 | 2a37bdba0cdb |
hex | 1519fa936b97 |
23201322331031 has 32 divisors (see below), whose sum is σ = 26674250964480. Its totient is φ = 20001609936000.
The previous prime is 23201322330877. The next prime is 23201322331043. The reversal of 23201322331031 is 13013322310232.
It is a de Polignac number, because none of the positive numbers 2k-23201322331031 is a prime.
It is a super-3 number, since 3×232013223310313 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23201322331081) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 186724481 + ... + 186848693.
It is an arithmetic number, because the mean of its divisors is an integer number (833570342640).
Almost surely, 223201322331031 is an apocalyptic number.
23201322331031 is a deficient number, since it is larger than the sum of its proper divisors (3472928633449).
23201322331031 is a wasteful number, since it uses less digits than its factorization.
23201322331031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 134967.
The product of its (nonzero) digits is 3888, while the sum is 26.
Adding to 23201322331031 its reverse (13013322310232), we get a palindrome (36214644641263).
The spelling of 23201322331031 in words is "twenty-three trillion, two hundred one billion, three hundred twenty-two million, three hundred thirty-one thousand, thirty-one".
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