Base | Representation |
---|---|
bin | 1001001001000001000011… |
… | …01000011101110010110001 |
3 | 2122011122020000212012011210 |
4 | 10210200201220131302301 |
5 | 10113313332331414301 |
6 | 110430135502430333 |
7 | 4143151540042560 |
oct | 444404150356261 |
9 | 78148200765153 |
10 | 20101011201201 |
11 | 644a877877607 |
12 | 2307863b923a9 |
13 | b2a695452b88 |
14 | 4d6c73703bd7 |
15 | 24cd17c65ad6 |
hex | 124821a1dcb1 |
20101011201201 has 8 divisors (see below), whose sum is σ = 30630112306624. Its totient is φ = 11486292114960.
The previous prime is 20101011201197. The next prime is 20101011201263. The reversal of 20101011201201 is 10210211010102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20101011201201 - 22 = 20101011201197 is a prime.
It is a super-3 number, since 3×201010112012013 (a number of 41 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20101011201281) 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, 478595504770 + ... + 478595504811.
It is an arithmetic number, because the mean of its divisors is an integer number (3828764038328).
Almost surely, 220101011201201 is an apocalyptic number.
20101011201201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
20101011201201 is a deficient number, since it is larger than the sum of its proper divisors (10529101105423).
20101011201201 is an equidigital number, since it uses as much as digits as its factorization.
20101011201201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 957191009591.
The product of its (nonzero) digits is 8, while the sum is 12.
Adding to 20101011201201 its reverse (10210211010102), we get a palindrome (30311222211303).
The spelling of 20101011201201 in words is "twenty trillion, one hundred one billion, eleven million, two hundred one thousand, two hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •