Base | Representation |
---|---|
bin | 111110110110000… |
… | …110010101100001 |
3 | 2201110222111112012 |
4 | 332312012111201 |
5 | 4124404302441 |
6 | 252342442305 |
7 | 35061663311 |
oct | 7666062541 |
9 | 2643874465 |
10 | 1054369121 |
11 | 4a1189143 |
12 | 255133395 |
13 | 13a595170 |
14 | a0061441 |
15 | 628709eb |
hex | 3ed86561 |
1054369121 has 16 divisors (see below), whose sum is σ = 1224964944. Its totient is φ = 898719744.
The previous prime is 1054369111. The next prime is 1054369133. The reversal of 1054369121 is 1219634501.
It can be written as a sum of positive squares in 8 ways, for example, as 89397025 + 964972096 = 9455^2 + 31064^2 .
It is a de Polignac number, because none of the positive numbers 2k-1054369121 is a prime.
It is a super-2 number, since 2×10543691212 = 2223388486636625282, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1054369111) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33296 + ... + 56721.
It is an arithmetic number, because the mean of its divisors is an integer number (76560309).
Almost surely, 21054369121 is an apocalyptic number.
1054369121 is the 22961-st centered square number.
It is an amenable number.
1054369121 is a deficient number, since it is larger than the sum of its proper divisors (170595823).
1054369121 is a wasteful number, since it uses less digits than its factorization.
1054369121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90100.
The product of its (nonzero) digits is 6480, while the sum is 32.
The square root of 1054369121 is about 32471.0505065666. The cubic root of 1054369121 is about 1017.8041706034.
The spelling of 1054369121 in words is "one billion, fifty-four million, three hundred sixty-nine thousand, one hundred twenty-one".
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