Base | Representation |
---|---|
bin | 111110100110000111… |
… | …100100100011000010 |
3 | 20102111002022120110100 |
4 | 332212013210203002 |
5 | 2100122121341002 |
6 | 50513155543230 |
7 | 4566364266015 |
oct | 764607444302 |
9 | 212432276410 |
10 | 67211512002 |
11 | 26560167838 |
12 | 11038bbab16 |
13 | 645181b25b |
14 | 337854b37c |
15 | 1b358ec11c |
hex | fa61e48c2 |
67211512002 has 12 divisors (see below), whose sum is σ = 145624942710. Its totient is φ = 22403837328.
The previous prime is 67211511989. The next prime is 67211512013. The reversal of 67211512002 is 20021511276.
It can be written as a sum of positive squares in only one way, i.e., 63137115441 + 4074396561 = 251271^2 + 63831^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1866986427 + ... + 1866986462.
Almost surely, 267211512002 is an apocalyptic number.
67211512002 is an abundant number, since it is smaller than the sum of its proper divisors (78413430708).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67211512002 is a wasteful number, since it uses less digits than its factorization.
67211512002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3733972897 (or 3733972894 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 27.
The spelling of 67211512002 in words is "sixty-seven billion, two hundred eleven million, five hundred twelve thousand, two".
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