Base | Representation |
---|---|
bin | 100011110111001110010000… |
… | …1110111010010110001100101 |
3 | 1112100221000102010021222111011 |
4 | 1013232130201313102301211 |
5 | 312321340301432213021 |
6 | 3034525042155142221 |
7 | 123305505120031561 |
oct | 10756344167226145 |
9 | 1470830363258434 |
10 | 315453031132261 |
11 | 91570974259a30 |
12 | 2b468ab1a44971 |
13 | 10703129997319 |
14 | 57c80185cc6a1 |
15 | 26709cd404de1 |
hex | 11ee721dd2c65 |
315453031132261 has 8 divisors (see below), whose sum is σ = 344133840638304. Its totient is φ = 286772765163120.
The previous prime is 315453031132223. The next prime is 315453031132277. The reversal of 315453031132261 is 162231130354513.
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 315453031132261 - 219 = 315453030607973 is a prime.
It is a super-2 number, since 2×3154530311322612 (a number of 30 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (315453031132361) 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, 134670246 + ... + 136992631.
It is an arithmetic number, because the mean of its divisors is an integer number (43016730079788).
Almost surely, 2315453031132261 is an apocalyptic number.
It is an amenable number.
315453031132261 is a deficient number, since it is larger than the sum of its proper divisors (28680809506043).
315453031132261 is a wasteful number, since it uses less digits than its factorization.
315453031132261 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 271768451.
The product of its (nonzero) digits is 194400, while the sum is 40.
Adding to 315453031132261 its reverse (162231130354513), we get a palindrome (477684161486774).
The spelling of 315453031132261 in words is "three hundred fifteen trillion, four hundred fifty-three billion, thirty-one million, one hundred thirty-two thousand, two hundred sixty-one".
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