Base | Representation |
---|---|
bin | 1101110111111110000100… |
… | …0101100100010110110011 |
3 | 2000000101100110221212020022 |
4 | 3131333201011210112303 |
5 | 3444420130012420311 |
6 | 52240051114434055 |
7 | 3133103130463334 |
oct | 335774105442663 |
9 | 60011313855208 |
10 | 15255205201331 |
11 | 49517726a7607 |
12 | 186468943292b |
13 | 8687377c5b54 |
14 | 3aa4da72228b |
15 | 1b6c5241a5db |
hex | ddfe11645b3 |
15255205201331 has 8 divisors (see below), whose sum is σ = 16152663023280. Its totient is φ = 14357757691648.
The previous prime is 15255205201307. The next prime is 15255205201387. The reversal of 15255205201331 is 13310250255251.
It is a happy number.
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 15255205201331 - 234 = 15238025332147 is a prime.
It is a super-2 number, since 2×152552052013312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 15255205201291 and 15255205201300.
It is not an unprimeable number, because it can be changed into a prime (15255205201391) 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, 578015 + ... + 5553783.
It is an arithmetic number, because the mean of its divisors is an integer number (2019082877910).
Almost surely, 215255205201331 is an apocalyptic number.
15255205201331 is a deficient number, since it is larger than the sum of its proper divisors (897457821949).
15255205201331 is a wasteful number, since it uses less digits than its factorization.
15255205201331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5156133.
The product of its (nonzero) digits is 45000, while the sum is 35.
Adding to 15255205201331 its reverse (13310250255251), we get a palindrome (28565455456582).
The spelling of 15255205201331 in words is "fifteen trillion, two hundred fifty-five billion, two hundred five million, two hundred one thousand, three hundred thirty-one".
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