Base | Representation |
---|---|
bin | 10010101110001000… |
… | …011000001101101100 |
3 | 1220212220010220020100 |
4 | 102232020120031230 |
5 | 312131413113400 |
6 | 13122344351100 |
7 | 1311062145246 |
oct | 225610301554 |
9 | 56786126210 |
10 | 20101301100 |
11 | 858572a041 |
12 | 3a8ba75490 |
13 | 1b8468570a |
14 | d89935096 |
15 | 7c9acb100 |
hex | 4ae21836c |
20101301100 has 54 divisors (see below), whose sum is σ = 63006414380. Its totient is φ = 5360346720.
The previous prime is 20101301069. The next prime is 20101301137. The reversal of 20101301100 is 110310102.
It is a super-2 number, since 2×201013011002 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11166490 + ... + 11168289.
Almost surely, 220101301100 is an apocalyptic number.
20101301100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20101301100 is an abundant number, since it is smaller than the sum of its proper divisors (42905113280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20101301100 is a wasteful number, since it uses less digits than its factorization.
20101301100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22334799 (or 22334789 counting only the distinct ones).
The product of its (nonzero) digits is 6, while the sum is 9.
Adding to 20101301100 its reverse (110310102), we get a palindrome (20211611202).
It can be divided in two parts, 20101 and 301100, that added together give a triangular number (321201 = T801).
The spelling of 20101301100 in words is "twenty billion, one hundred one million, three hundred one thousand, one hundred".
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