Base | Representation |
---|---|
bin | 10010000000110… |
… | …10110111111100 |
3 | 101112022221010020 |
4 | 21000122313330 |
5 | 302140330040 |
6 | 22554412140 |
7 | 3513241263 |
oct | 1100326774 |
9 | 345287106 |
10 | 151105020 |
11 | 78327490 |
12 | 42731050 |
13 | 253c7b71 |
14 | 160d55da |
15 | d3ebcd0 |
hex | 901adfc |
151105020 has 96 divisors (see below), whose sum is σ = 463760640. Its totient is φ = 36456960.
The previous prime is 151105007. The next prime is 151105021. The reversal of 151105020 is 20501151.
151105020 is digitally balanced in base 2, base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (15).
151105020 is strictly pandigital in base 9.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (151105021) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 186376 + ... + 187184.
It is an arithmetic number, because the mean of its divisors is an integer number (4830840).
Almost surely, 2151105020 is an apocalyptic number.
151105020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 151105020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231880320).
151105020 is an abundant number, since it is smaller than the sum of its proper divisors (312655620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
151105020 is a wasteful number, since it uses less digits than its factorization.
151105020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1115 (or 1113 counting only the distinct ones).
The product of its (nonzero) digits is 50, while the sum is 15.
The square root of 151105020 is about 12292.4781879001. The cubic root of 151105020 is about 532.6308259306.
Adding to 151105020 its reverse (20501151), we get a palindrome (171606171).
The spelling of 151105020 in words is "one hundred fifty-one million, one hundred five thousand, twenty".
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