Base | Representation |
---|---|
bin | 111110101010000… |
… | …011110100010000 |
3 | 2201021001011020111 |
4 | 332222003310100 |
5 | 4123102304242 |
6 | 252151051104 |
7 | 35023110100 |
oct | 7652036420 |
9 | 2637034214 |
10 | 1051213072 |
11 | 49a422a38 |
12 | 254070a94 |
13 | 139a2b790 |
14 | 9d87d200 |
15 | 6244a817 |
hex | 3ea83d10 |
1051213072 has 60 divisors (see below), whose sum is σ = 2551526796. Its totient is φ = 415860480.
The previous prime is 1051213043. The next prime is 1051213073. The reversal of 1051213072 is 2703121501.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 697171216 + 354041856 = 26404^2 + 18816^2 .
It is a super-2 number, since 2×10512130722 = 2210097845487354368, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1051213073) 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, 41379 + ... + 61762.
Almost surely, 21051213072 is an apocalyptic number.
It is an amenable number.
1051213072 is an abundant number, since it is smaller than the sum of its proper divisors (1500313724).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1051213072 is a wasteful number, since it uses less digits than its factorization.
1051213072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 103176 (or 103163 counting only the distinct ones).
The product of its (nonzero) digits is 420, while the sum is 22.
The square root of 1051213072 is about 32422.4161962060. The cubic root of 1051213072 is about 1016.7876226718.
Adding to 1051213072 its reverse (2703121501), we get a palindrome (3754334573).
The spelling of 1051213072 in words is "one billion, fifty-one million, two hundred thirteen thousand, seventy-two".
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