Base | Representation |
---|---|
bin | 111110111101110… |
… | …001100100001000 |
3 | 2201121202201120100 |
4 | 332331301210020 |
5 | 4130413144232 |
6 | 252453525400 |
7 | 35115043356 |
oct | 7675614410 |
9 | 2647681510 |
10 | 1056381192 |
11 | 4a2332909 |
12 | 255943860 |
13 | 13ab1ac39 |
14 | a04267d6 |
15 | 62b1bc7c |
hex | 3ef71908 |
1056381192 has 24 divisors (see below), whose sum is σ = 2861032590. Its totient is φ = 352127040.
The previous prime is 1056381181. The next prime is 1056381197. The reversal of 1056381192 is 2911836501.
1056381192 is a `hidden beast` number, since 1 + 0 + 5 + 638 + 1 + 19 + 2 = 666.
It can be written as a sum of positive squares in only one way, i.e., 726086916 + 330294276 = 26946^2 + 18174^2 .
It is a tau number, because it is divible by the number of its divisors (24).
It is a super-2 number, since 2×10563811922 = 2231882445622681728, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (1056381197) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7335909 + ... + 7336052.
Almost surely, 21056381192 is an apocalyptic number.
1056381192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1056381192 is an abundant number, since it is smaller than the sum of its proper divisors (1804651398).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1056381192 is a wasteful number, since it uses less digits than its factorization.
1056381192 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14671973 (or 14671966 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 36.
The square root of 1056381192 is about 32502.0182757933. The cubic root of 1056381192 is about 1018.4511903604.
The spelling of 1056381192 in words is "one billion, fifty-six million, three hundred eighty-one thousand, one hundred ninety-two".
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