Base | Representation |
---|---|
bin | 10010101000001001… |
… | …110011101001010110 |
3 | 1220121220102200212201 |
4 | 102220021303221112 |
5 | 311430224343220 |
6 | 13104403035114 |
7 | 1305433541146 |
oct | 225011635126 |
9 | 56556380781 |
10 | 20001012310 |
11 | 8534060644 |
12 | 3a6236ba9a |
13 | 1b69970636 |
14 | d7a4aa926 |
15 | 7c0dbad0a |
hex | 4a8273a56 |
20001012310 has 16 divisors (see below), whose sum is σ = 36494999136. Its totient is φ = 7890810048.
The previous prime is 20001012307. The next prime is 20001012433. The reversal of 20001012310 is 1321010002.
It is a super-2 number, since 2×200010123102 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13698594 + ... + 13700053.
It is an arithmetic number, because the mean of its divisors is an integer number (2280937446).
Almost surely, 220001012310 is an apocalyptic number.
20001012310 is a deficient number, since it is larger than the sum of its proper divisors (16493986826).
20001012310 is a wasteful number, since it uses less digits than its factorization.
20001012310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27398727.
The product of its (nonzero) digits is 12, while the sum is 10.
Adding to 20001012310 its reverse (1321010002), we get a palindrome (21322022312).
The spelling of 20001012310 in words is "twenty billion, one million, twelve thousand, three hundred ten".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •