Base | Representation |
---|---|
bin | 10010101111010000… |
… | …011110110000110110 |
3 | 1220221012201011210120 |
4 | 102233100132300312 |
5 | 312201232433134 |
6 | 13124301432410 |
7 | 1311411616623 |
oct | 225720366066 |
9 | 56835634716 |
10 | 20120202294 |
11 | 8595369865 |
12 | 3a9626b706 |
13 | 1b8857295a |
14 | d8c25534a |
15 | 7cb5b1649 |
hex | 4af41ec36 |
20120202294 has 8 divisors (see below), whose sum is σ = 40240404600. Its totient is φ = 6706734096.
The previous prime is 20120202293. The next prime is 20120202307. The reversal of 20120202294 is 49220202102.
It is a sphenic number, since it is the product of 3 distinct primes.
20120202294 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20120202293) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1676683519 + ... + 1676683530.
It is an arithmetic number, because the mean of its divisors is an integer number (5030050575).
Almost surely, 220120202294 is an apocalyptic number.
20120202294 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20120202294 is a wasteful number, since it uses less digits than its factorization.
20120202294 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3353367054.
The product of its (nonzero) digits is 1152, while the sum is 24.
Adding to 20120202294 its reverse (49220202102), we get a palindrome (69340404396).
The spelling of 20120202294 in words is "twenty billion, one hundred twenty million, two hundred two thousand, two hundred ninety-four".
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