Base | Representation |
---|---|
bin | 10010000000001… |
… | …10000111111011 |
3 | 101112011121112100 |
4 | 21000012013323 |
5 | 302130120102 |
6 | 22552514443 |
7 | 3512435424 |
oct | 1100060773 |
9 | 345147470 |
10 | 151020027 |
11 | 78279644 |
12 | 426aba23 |
13 | 25398282 |
14 | 160b264b |
15 | d3d1a1c |
hex | 90061fb |
151020027 has 24 divisors (see below), whose sum is σ = 232479936. Its totient is φ = 94139136.
The previous prime is 151020013. The next prime is 151020031. The reversal of 151020027 is 720020151.
It is not a de Polignac number, because 151020027 - 218 = 150757883 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 151019991 and 151020009.
It is not an unprimeable number, because it can be changed into a prime (151020007) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20878 + ... + 27164.
It is an arithmetic number, because the mean of its divisors is an integer number (9686664).
Almost surely, 2151020027 is an apocalyptic number.
151020027 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
151020027 is a deficient number, since it is larger than the sum of its proper divisors (81459909).
151020027 is a wasteful number, since it uses less digits than its factorization.
151020027 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6467 (or 6464 counting only the distinct ones).
The product of its (nonzero) digits is 140, while the sum is 18.
The square root of 151020027 is about 12289.0205875000. The cubic root of 151020027 is about 532.5309431202.
Adding to 151020027 its reverse (720020151), we get a palindrome (871040178).
The spelling of 151020027 in words is "one hundred fifty-one million, twenty thousand, twenty-seven".
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