Base | Representation |
---|---|
bin | 1110010011010101001000… |
… | …01001001100000000101111 |
3 | 11010100122020201122120110100 |
4 | 13021222210021030000233 |
5 | 13110241113112210411 |
6 | 150520055014442143 |
7 | 6424136550436431 |
oct | 711524411140057 |
9 | 133318221576410 |
10 | 31450504413231 |
11 | a0260a1912532 |
12 | 363b39a363353 |
13 | 1471a014548b7 |
14 | 7aa2d92aa651 |
15 | 398176c19456 |
hex | 1c9aa424c02f |
31450504413231 has 24 divisors (see below), whose sum is σ = 45460859184000. Its totient is φ = 20952072153936.
The previous prime is 31450504413101. The next prime is 31450504413233. The reversal of 31450504413231 is 13231440505413.
31450504413231 is a `hidden beast` number, since 3 + 1 + 4 + 5 + 0 + 5 + 0 + 4 + 413 + 231 = 666.
It is not a de Polignac number, because 31450504413231 - 222 = 31450500218927 is a prime.
It is a super-2 number, since 2×314505044132312 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31450504413233) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 430420806 + ... + 430493868.
It is an arithmetic number, because the mean of its divisors is an integer number (1894202466000).
Almost surely, 231450504413231 is an apocalyptic number.
31450504413231 is a deficient number, since it is larger than the sum of its proper divisors (14010354770769).
31450504413231 is a wasteful number, since it uses less digits than its factorization.
31450504413231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 106475 (or 106472 counting only the distinct ones).
The product of its (nonzero) digits is 86400, while the sum is 36.
Adding to 31450504413231 its reverse (13231440505413), we get a palindrome (44681944918644).
The spelling of 31450504413231 in words is "thirty-one trillion, four hundred fifty billion, five hundred four million, four hundred thirteen thousand, two hundred thirty-one".
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