Base | Representation |
---|---|
bin | 10010111011110100… |
… | …101011111101000110 |
3 | 1221110220101211110112 |
4 | 102323310223331012 |
5 | 313114220120402 |
6 | 13201232153022 |
7 | 1316551551041 |
oct | 227364537506 |
9 | 57426354415 |
10 | 20331020102 |
11 | 8693370358 |
12 | 3b34998772 |
13 | 1bc0146b13 |
14 | dac251c58 |
15 | 7ded55e52 |
hex | 4bbd2bf46 |
20331020102 has 8 divisors (see below), whose sum is σ = 30497250000. Its totient is φ = 10165270104.
The previous prime is 20331020093. The next prime is 20331020107. The reversal of 20331020102 is 20102013302.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-4 number, since 4×203310201024 (a number of 42 digits) contains 4444 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20331020107) 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, 17399 + ... + 202397.
It is an arithmetic number, because the mean of its divisors is an integer number (3812156250).
Almost surely, 220331020102 is an apocalyptic number.
20331020102 is a deficient number, since it is larger than the sum of its proper divisors (10166229898).
20331020102 is a wasteful number, since it uses less digits than its factorization.
20331020102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 239950.
The product of its (nonzero) digits is 72, while the sum is 14.
Adding to 20331020102 its reverse (20102013302), we get a palindrome (40433033404).
The spelling of 20331020102 in words is "twenty billion, three hundred thirty-one million, twenty thousand, one hundred two".
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