Base | Representation |
---|---|
bin | 111101001111101001… |
… | …0011010001111101010 |
3 | 110120110221202111200102 |
4 | 1322133102122033222 |
5 | 4123323441003224 |
6 | 140230424305402 |
7 | 12334136433632 |
oct | 1723722321752 |
9 | 416427674612 |
10 | 131521422314 |
11 | 50861461247 |
12 | 215a6312262 |
13 | c530157719 |
14 | 65195876c2 |
15 | 364b6e04ae |
hex | 1e9f49a3ea |
131521422314 has 8 divisors (see below), whose sum is σ = 197294044260. Its totient is φ = 65756740896.
The previous prime is 131521422293. The next prime is 131521422317. The reversal of 131521422314 is 413224125131.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 131047620025 + 473802289 = 362005^2 + 21767^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×1315214223143 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (131521422317) 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, 1943549 + ... + 2010080.
Almost surely, 2131521422314 is an apocalyptic number.
131521422314 is a deficient number, since it is larger than the sum of its proper divisors (65772621946).
131521422314 is a wasteful number, since it uses less digits than its factorization.
131521422314 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3970264.
The product of its digits is 5760, while the sum is 29.
Adding to 131521422314 its reverse (413224125131), we get a palindrome (544745547445).
The spelling of 131521422314 in words is "one hundred thirty-one billion, five hundred twenty-one million, four hundred twenty-two thousand, three hundred fourteen".
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