Base | Representation |
---|---|
bin | 1101010101101010… |
… | …01111101111100010 |
3 | 200111001210010202222 |
4 | 12222311033233202 |
5 | 104131212132010 |
6 | 3142330111042 |
7 | 342312640001 |
oct | 65265175742 |
9 | 20431703688 |
10 | 7161052130 |
11 | 3045255501 |
12 | 147a27b482 |
13 | 8a17a456b |
14 | 4bd0c0c38 |
15 | 2bda2d355 |
hex | 1aad4fbe2 |
7161052130 has 16 divisors (see below), whose sum is σ = 12946185720. Its totient is φ = 2851911552.
The previous prime is 7161052127. The next prime is 7161052183. The reversal of 7161052130 is 312501617.
It is a Cunningham number, because it is equal to 846232+1.
It can be written as a sum of positive squares in 4 ways, for example, as 6669498889 + 491553241 = 81667^2 + 22171^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 7161052130.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1561259 + ... + 1565838.
Almost surely, 27161052130 is an apocalyptic number.
7161052130 is a deficient number, since it is larger than the sum of its proper divisors (5785133590).
7161052130 is a wasteful number, since it uses less digits than its factorization.
7161052130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3127333.
The product of its (nonzero) digits is 1260, while the sum is 26.
The square root of 7161052130 is about 84623.0000059086. Note that the first 5 decimals coincide. The cubic root of 7161052130 is about 1927.4906428723.
Adding to 7161052130 its reverse (312501617), we get a palindrome (7473553747).
The spelling of 7161052130 in words is "seven billion, one hundred sixty-one million, fifty-two thousand, one hundred thirty".
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