Base | Representation |
---|---|
bin | 11001010100011111011… |
… | …01010010000101000100 |
3 | 10002011121101221222121220 |
4 | 30222033231102011010 |
5 | 103223222031444322 |
6 | 1503400411240340 |
7 | 116566162303161 |
oct | 14521755220504 |
9 | 3064541858556 |
10 | 869994406212 |
11 | 305a651860a8 |
12 | 12073b4490b0 |
13 | 6406a1b5b99 |
14 | 30172323068 |
15 | 1796d19a55c |
hex | ca8fb52144 |
869994406212 has 24 divisors (see below), whose sum is σ = 2033631464256. Its totient is φ = 289477490208.
The previous prime is 869994406157. The next prime is 869994406217. The reversal of 869994406212 is 212604499968.
It is not an unprimeable number, because it can be changed into a prime (869994406217) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65073688 + ... + 65087055.
It is an arithmetic number, because the mean of its divisors is an integer number (84734644344).
Almost surely, 2869994406212 is an apocalyptic number.
It is an amenable number.
869994406212 is an abundant number, since it is smaller than the sum of its proper divisors (1163637058044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
869994406212 is a wasteful number, since it uses less digits than its factorization.
869994406212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 130161307 (or 130161305 counting only the distinct ones).
The product of its (nonzero) digits is 13436928, while the sum is 60.
The spelling of 869994406212 in words is "eight hundred sixty-nine billion, nine hundred ninety-four million, four hundred six thousand, two hundred twelve".
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