Base | Representation |
---|---|
bin | 1111001000110… |
… | …10101100111010 |
3 | 22211221121111200 |
4 | 13210122230322 |
5 | 230002041231 |
6 | 20333435030 |
7 | 3101241453 |
oct | 744325472 |
9 | 284847450 |
10 | 126987066 |
11 | 65754298 |
12 | 3663ba76 |
13 | 2040229b |
14 | 12c1812a |
15 | b235be6 |
hex | 791ab3a |
126987066 has 24 divisors (see below), whose sum is σ = 276665844. Its totient is φ = 42094080.
The previous prime is 126987061. The next prime is 126987073. The reversal of 126987066 is 660789621.
It can be written as a sum of positive squares in 2 ways, for example, as 85655025 + 41332041 = 9255^2 + 6429^2 .
It is a super-2 number, since 2×1269870662 = 32251429862576712, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (126987061) 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, 16231 + ... + 22746.
Almost surely, 2126987066 is an apocalyptic number.
126987066 is an abundant number, since it is smaller than the sum of its proper divisors (149678778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
126987066 is a wasteful number, since it uses less digits than its factorization.
126987066 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39166 (or 39163 counting only the distinct ones).
The product of its (nonzero) digits is 217728, while the sum is 45.
The square root of 126987066 is about 11268.8538015186. The cubic root of 126987066 is about 502.6355051506.
The spelling of 126987066 in words is "one hundred twenty-six million, nine hundred eighty-seven thousand, sixty-six".
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