Base | Representation |
---|---|
bin | 10010000001110… |
… | …01101000110110 |
3 | 101112120022222021 |
4 | 21000321220312 |
5 | 302203343110 |
6 | 23001223354 |
7 | 3514304536 |
oct | 1100715066 |
9 | 345508867 |
10 | 151231030 |
11 | 78403125 |
12 | 42791b5a |
13 | 25440322 |
14 | 161294c6 |
15 | d4242da |
hex | 9039a36 |
151231030 has 16 divisors (see below), whose sum is σ = 274021344. Its totient is φ = 60091200.
The previous prime is 151231021. The next prime is 151231033. The reversal of 151231030 is 30132151.
It is a junction number, because it is equal to n+sod(n) for n = 151230995 and 151231013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (151231033) 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, 48567 + ... + 51586.
It is an arithmetic number, because the mean of its divisors is an integer number (17126334).
Almost surely, 2151231030 is an apocalyptic number.
151231030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
151231030 is a deficient number, since it is larger than the sum of its proper divisors (122790314).
151231030 is a wasteful number, since it uses less digits than its factorization.
151231030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100311.
The product of its (nonzero) digits is 90, while the sum is 16.
The square root of 151231030 is about 12297.6026118915. The cubic root of 151231030 is about 532.7788425490.
Adding to 151231030 its reverse (30132151), we get a palindrome (181363181).
The spelling of 151231030 in words is "one hundred fifty-one million, two hundred thirty-one thousand, thirty".
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