Base | Representation |
---|---|
bin | 111110111100111… |
… | …000010110110100 |
3 | 2201121022211010200 |
4 | 332330320112310 |
5 | 4130333144433 |
6 | 252444520500 |
7 | 35113046250 |
oct | 7674702664 |
9 | 2647284120 |
10 | 1056146868 |
11 | 4a2192857 |
12 | 255850130 |
13 | 13aa6839a |
14 | a03a5260 |
15 | 62ac2613 |
hex | 3ef385b4 |
1056146868 has 72 divisors (see below), whose sum is σ = 3094116480. Its totient is φ = 297501120.
The previous prime is 1056146849. The next prime is 1056146869. The reversal of 1056146868 is 8686416501.
1056146868 is a `hidden beast` number, since 1 + 0 + 561 + 4 + 6 + 86 + 8 = 666.
It is a super-2 number, since 2×10561468682 = 2230892413572418848, which contains 22 as substring.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1056146869) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11623 + ... + 47406.
It is an arithmetic number, because the mean of its divisors is an integer number (42973840).
Almost surely, 21056146868 is an apocalyptic number.
1056146868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
1056146868 is an abundant number, since it is smaller than the sum of its proper divisors (2037969612).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1056146868 is a wasteful number, since it uses less digits than its factorization.
1056146868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59117 (or 59112 counting only the distinct ones).
The product of its (nonzero) digits is 276480, while the sum is 45.
The square root of 1056146868 is about 32498.4133151143. The cubic root of 1056146868 is about 1018.3758813065.
The spelling of 1056146868 in words is "one billion, fifty-six million, one hundred forty-six thousand, eight hundred sixty-eight".
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