Base | Representation |
---|---|
bin | 10010000000000… |
… | …10111110010001 |
3 | 101112010221211100 |
4 | 21000002332101 |
5 | 302124211441 |
6 | 22552335013 |
7 | 3512352666 |
oct | 1100027621 |
9 | 345127740 |
10 | 151007121 |
11 | 7826a981 |
12 | 426a4469 |
13 | 25392435 |
14 | 160aba6d |
15 | d3cccb6 |
hex | 9002f91 |
151007121 has 12 divisors (see below), whose sum is σ = 227605248. Its totient is φ = 96294264.
The previous prime is 151007111. The next prime is 151007201. The reversal of 151007121 is 121700151.
It is a happy number.
It is not a de Polignac number, because 151007121 - 26 = 151007057 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 151007094 and 151007103.
It is not an unprimeable number, because it can be changed into a prime (151007111) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 364545 + ... + 364958.
It is an arithmetic number, because the mean of its divisors is an integer number (18967104).
Almost surely, 2151007121 is an apocalyptic number.
It is an amenable number.
151007121 is a deficient number, since it is larger than the sum of its proper divisors (76598127).
151007121 is a wasteful number, since it uses less digits than its factorization.
151007121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 729532 (or 729529 counting only the distinct ones).
The product of its (nonzero) digits is 70, while the sum is 18.
The square root of 151007121 is about 12288.4954734093. The cubic root of 151007121 is about 532.5157728582.
Adding to 151007121 its reverse (121700151), we get a palindrome (272707272).
The spelling of 151007121 in words is "one hundred fifty-one million, seven thousand, one hundred twenty-one".
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