Base | Representation |
---|---|
bin | 10010000000010… |
… | …00110101001000 |
3 | 101112012011201220 |
4 | 21000020311020 |
5 | 302130443422 |
6 | 22553042040 |
7 | 3512512641 |
oct | 1100106510 |
9 | 345164656 |
10 | 151031112 |
11 | 78286a01 |
12 | 426b6320 |
13 | 253a032b |
14 | 160b66c8 |
15 | d3d4e5c |
hex | 9008d48 |
151031112 has 32 divisors (see below), whose sum is σ = 378214080. Its totient is φ = 50258880.
The previous prime is 151031099. The next prime is 151031117. The reversal of 151031112 is 211130151.
It is a junction number, because it is equal to n+sod(n) for n = 151031091 and 151031100.
It is not an unprimeable number, because it can be changed into a prime (151031117) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10158 + ... + 20130.
It is an arithmetic number, because the mean of its divisors is an integer number (11819190).
Almost surely, 2151031112 is an apocalyptic number.
151031112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
151031112 is an abundant number, since it is smaller than the sum of its proper divisors (227182968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
151031112 is a wasteful number, since it uses less digits than its factorization.
151031112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10613 (or 10609 counting only the distinct ones).
The product of its (nonzero) digits is 30, while the sum is 15.
The square root of 151031112 is about 12289.4715915698. The cubic root of 151031112 is about 532.5439722113.
Adding to 151031112 its reverse (211130151), we get a palindrome (362161263).
The spelling of 151031112 in words is "one hundred fifty-one million, thirty-one thousand, one hundred twelve".
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