Base | Representation |
---|---|
bin | 10010000001101… |
… | …00110100110000 |
3 | 101112112022220222 |
4 | 21000310310300 |
5 | 302202230222 |
6 | 23000552212 |
7 | 3514163210 |
oct | 1100646460 |
9 | 345468828 |
10 | 151211312 |
11 | 7839a32a |
12 | 42782668 |
13 | 25434365 |
14 | 16122240 |
15 | d41d542 |
hex | 9034d30 |
151211312 has 20 divisors (see below), whose sum is σ = 334825296. Its totient is φ = 64804800.
The previous prime is 151211299. The next prime is 151211317. The reversal of 151211312 is 213112151.
It is a super-2 number, since 2×1512113122 = 45729721753522688, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (151211317) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 674939 + ... + 675162.
Almost surely, 2151211312 is an apocalyptic number.
It is an amenable number.
151211312 is an abundant number, since it is smaller than the sum of its proper divisors (183613984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
151211312 is a wasteful number, since it uses less digits than its factorization.
151211312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1350116 (or 1350110 counting only the distinct ones).
The product of its digits is 60, while the sum is 17.
The square root of 151211312 is about 12296.8008847830. The cubic root of 151211312 is about 532.7556863889.
Adding to 151211312 its reverse (213112151), we get a palindrome (364323463).
The spelling of 151211312 in words is "one hundred fifty-one million, two hundred eleven thousand, three hundred twelve".
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