Base | Representation |
---|---|
bin | 100010011100110101011110… |
… | …110010001011111000001110 |
3 | 201212110201002102100122112220 |
4 | 202130311132302023320032 |
5 | 124324411012241441100 |
6 | 1254125033311240210 |
7 | 43625415462141453 |
oct | 4234653662137016 |
9 | 655421072318486 |
10 | 151515151515150 |
11 | 443062400471a5 |
12 | 14bb0799819066 |
13 | 6670a8200aca7 |
14 | 295b53006b82a |
15 | 127b3cba6baa0 |
hex | 89cd5ec8be0e |
151515151515150 has 96 divisors (see below), whose sum is σ = 377411361984000. Its totient is φ = 40226287046400.
The previous prime is 151515151515137. The next prime is 151515151515151. The reversal of 151515151515150 is 51515151515151.
It is a super-2 number, since 2×1515151515151502 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (151515151515151) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 166212105 + ... + 167121195.
It is an arithmetic number, because the mean of its divisors is an integer number (3931368354000).
Almost surely, 2151515151515150 is an apocalyptic number.
151515151515150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 151515151515150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188705680992000).
151515151515150 is an abundant number, since it is smaller than the sum of its proper divisors (225896210468850).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
151515151515150 is a wasteful number, since it uses less digits than its factorization.
151515151515150 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 913994 (or 913989 counting only the distinct ones).
The product of its (nonzero) digits is 78125, while the sum is 42.
Subtracting from 151515151515150 its reverse (51515151515151), we obtain a palindrome (99999999999999).
The spelling of 151515151515150 in words is "one hundred fifty-one trillion, five hundred fifteen billion, one hundred fifty-one million, five hundred fifteen thousand, one hundred fifty".
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