Base | Representation |
---|---|
bin | 10010111011110100… |
… | …101001100000110101 |
3 | 1221110220101022202010 |
4 | 102323310221200311 |
5 | 313114214310401 |
6 | 13201232034433 |
7 | 1316551506633 |
oct | 227364514065 |
9 | 57426338663 |
10 | 20331010101 |
11 | 8693363896 |
12 | 3b34992a19 |
13 | 1bc01423bc |
14 | dac24c353 |
15 | 7ded52ed6 |
hex | 4bbd29835 |
20331010101 has 16 divisors (see below), whose sum is σ = 27868151808. Its totient is φ = 13177758000.
The previous prime is 20331010087. The next prime is 20331010111. The reversal of 20331010101 is 10101013302.
It is not a de Polignac number, because 20331010101 - 213 = 20331001909 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20331010111) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456165 + ... + 498746.
It is an arithmetic number, because the mean of its divisors is an integer number (1741759488).
Almost surely, 220331010101 is an apocalyptic number.
It is an amenable number.
20331010101 is a deficient number, since it is larger than the sum of its proper divisors (7537141707).
20331010101 is a wasteful number, since it uses less digits than its factorization.
20331010101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 955112.
The product of its (nonzero) digits is 18, while the sum is 12.
Adding to 20331010101 its reverse (10101013302), we get a palindrome (30432023403).
The spelling of 20331010101 in words is "twenty billion, three hundred thirty-one million, ten thousand, one hundred one".
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