Base | Representation |
---|---|
bin | 10010101110000100… |
… | …010010110100100111 |
3 | 1220212211010111120020 |
4 | 102232010102310213 |
5 | 312131124333224 |
6 | 13122305410223 |
7 | 1311050065632 |
oct | 225604226447 |
9 | 56784114506 |
10 | 20100230439 |
11 | 85850686a3 |
12 | 3a8b639973 |
13 | 1b8439c2a3 |
14 | d89736c19 |
15 | 7c9968c79 |
hex | 4ae112d27 |
20100230439 has 8 divisors (see below), whose sum is σ = 26884852080. Its totient is φ = 13357881216.
The previous prime is 20100230431. The next prime is 20100230441. The reversal of 20100230439 is 93403200102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20100230439 - 23 = 20100230431 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20100230431) 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, 10566994 + ... + 10568895.
It is an arithmetic number, because the mean of its divisors is an integer number (3360606510).
Almost surely, 220100230439 is an apocalyptic number.
20100230439 is a deficient number, since it is larger than the sum of its proper divisors (6784621641).
20100230439 is a wasteful number, since it uses less digits than its factorization.
20100230439 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21136209.
The product of its (nonzero) digits is 1296, while the sum is 24.
The spelling of 20100230439 in words is "twenty billion, one hundred million, two hundred thirty thousand, four hundred thirty-nine".
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