Base | Representation |
---|---|
bin | 10010101000101101… |
… | …010010000101001010 |
3 | 1220122112221011200001 |
4 | 102220231102011022 |
5 | 311440114441020 |
6 | 13105334233214 |
7 | 1305605563033 |
oct | 225055220512 |
9 | 56575834601 |
10 | 20010312010 |
11 | 8539332647 |
12 | 3a654b580a |
13 | 1b6b878510 |
14 | d7b80ba8a |
15 | 7c1b0650a |
hex | 4a8b5214a |
20010312010 has 32 divisors (see below), whose sum is σ = 39003571152. Its totient is φ = 7347594240.
The previous prime is 20010311987. The next prime is 20010312059. The reversal of 20010312010 is 1021301002.
It can be written as a sum of positive squares in 8 ways, for example, as 582691321 + 19427620689 = 24139^2 + 139383^2 .
It is a Harshad number since it is a multiple of its sum of digits (10).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 401679 + ... + 448738.
Almost surely, 220010312010 is an apocalyptic number.
20010312010 is a deficient number, since it is larger than the sum of its proper divisors (18993259142).
20010312010 is a wasteful number, since it uses less digits than its factorization.
20010312010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 850618.
The product of its (nonzero) digits is 12, while the sum is 10.
Adding to 20010312010 its reverse (1021301002), we get a palindrome (21031613012).
The spelling of 20010312010 in words is "twenty billion, ten million, three hundred twelve thousand, ten".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •