Base | Representation |
---|---|
bin | 10010101111011111… |
… | …000000011110100001 |
3 | 1220221110212122112120 |
4 | 102233133000132201 |
5 | 312203221313101 |
6 | 13124515214453 |
7 | 1311456160155 |
oct | 225737003641 |
9 | 56843778476 |
10 | 20124010401 |
11 | 859752a960 |
12 | 3a975a7429 |
13 | 1b892a7081 |
14 | d8c967065 |
15 | 7cbab4b36 |
hex | 4af7c07a1 |
20124010401 has 32 divisors (see below), whose sum is σ = 30220148736. Its totient is φ = 11804472000.
The previous prime is 20124010399. The next prime is 20124010409. The reversal of 20124010401 is 10401042102.
It is not a de Polignac number, because 20124010401 - 21 = 20124010399 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (20124010409) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190066 + ... + 276356.
It is an arithmetic number, because the mean of its divisors is an integer number (944379648).
Almost surely, 220124010401 is an apocalyptic number.
It is an amenable number.
20124010401 is a deficient number, since it is larger than the sum of its proper divisors (10096138335).
20124010401 is a wasteful number, since it uses less digits than its factorization.
20124010401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86533.
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 20124010401 its reverse (10401042102), we get a palindrome (30525052503).
It can be divided in two parts, 20 and 124010401, that added together give a palindrome (124010421).
The spelling of 20124010401 in words is "twenty billion, one hundred twenty-four million, ten thousand, four hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •