Base | Representation |
---|---|
bin | 11010010101110… |
… | …11110010100111 |
3 | 120101210110001200 |
4 | 31022323302213 |
5 | 423032021101 |
6 | 33532053543 |
7 | 5322133563 |
oct | 1512736247 |
9 | 511713050 |
10 | 220970151 |
11 | 103806166 |
12 | 620042b3 |
13 | 36a1a18c |
14 | 214c06a3 |
15 | 145ec986 |
hex | d2bbca7 |
220970151 has 12 divisors (see below), whose sum is σ = 319410000. Its totient is φ = 147206880.
The previous prime is 220970149. The next prime is 220970159. The reversal of 220970151 is 151079022.
It is not a de Polignac number, because 220970151 - 21 = 220970149 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220970159) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5475 + ... + 21723.
It is an arithmetic number, because the mean of its divisors is an integer number (26617500).
Almost surely, 2220970151 is an apocalyptic number.
220970151 is a deficient number, since it is larger than the sum of its proper divisors (98439849).
220970151 is a wasteful number, since it uses less digits than its factorization.
220970151 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17766 (or 17763 counting only the distinct ones).
The product of its (nonzero) digits is 1260, while the sum is 27.
The square root of 220970151 is about 14865.0647829063. The cubic root of 220970151 is about 604.5671388628.
The spelling of 220970151 in words is "two hundred twenty million, nine hundred seventy thousand, one hundred fifty-one".
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