Base | Representation |
---|---|
bin | 1100110101010110… |
… | …01001101000100100 |
3 | 122210011200202021221 |
4 | 12122223021220210 |
5 | 103102313021322 |
6 | 3055403550124 |
7 | 332511531466 |
oct | 63253115044 |
9 | 18704622257 |
10 | 6889970212 |
11 | 2a16232664 |
12 | 140352b344 |
13 | 85a590168 |
14 | 4950b8136 |
15 | 2a4d329c7 |
hex | 19aac9a24 |
6889970212 has 6 divisors (see below), whose sum is σ = 12057447878. Its totient is φ = 3444985104.
The previous prime is 6889970203. The next prime is 6889970221. The reversal of 6889970212 is 2120799886.
It is an interprime number because it is at equal distance from previous prime (6889970203) and next prime (6889970221).
It can be written as a sum of positive squares in only one way, i.e., 4376351716 + 2513618496 = 66154^2 + 50136^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 6889970212.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 861246273 + ... + 861246280.
Almost surely, 26889970212 is an apocalyptic number.
It is an amenable number.
6889970212 is a deficient number, since it is larger than the sum of its proper divisors (5167477666).
6889970212 is a wasteful number, since it uses less digits than its factorization.
6889970212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1722492557 (or 1722492555 counting only the distinct ones).
The product of its (nonzero) digits is 870912, while the sum is 52.
The square root of 6889970212 is about 83005.8444448341. The cubic root of 6889970212 is about 1902.8553754070.
The spelling of 6889970212 in words is "six billion, eight hundred eighty-nine million, nine hundred seventy thousand, two hundred twelve".
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