Base | Representation |
---|---|
bin | 10011000000000011… |
… | …100111000101111010 |
3 | 1221122212001002002221 |
4 | 103000003213011322 |
5 | 313240410304320 |
6 | 13212250314254 |
7 | 1321403326465 |
oct | 230003470572 |
9 | 57585032087 |
10 | 20402041210 |
11 | 871a469591 |
12 | 3b5472898a |
13 | 1c01a82345 |
14 | db785c2dc |
15 | 7e61d43aa |
hex | 4c00e717a |
20402041210 has 64 divisors (see below), whose sum is σ = 39052316160. Its totient is φ = 7658323200.
The previous prime is 20402041189. The next prime is 20402041213. The reversal of 20402041210 is 1214020402.
It is not an unprimeable number, because it can be changed into a prime (20402041213) 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, 2578260 + ... + 2586160.
It is an arithmetic number, because the mean of its divisors is an integer number (610192440).
Almost surely, 220402041210 is an apocalyptic number.
20402041210 is a deficient number, since it is larger than the sum of its proper divisors (18650274950).
20402041210 is a wasteful number, since it uses less digits than its factorization.
20402041210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8143.
The product of its (nonzero) digits is 128, while the sum is 16.
Adding to 20402041210 its reverse (1214020402), we get a palindrome (21616061612).
The spelling of 20402041210 in words is "twenty billion, four hundred two million, forty-one thousand, two hundred ten".
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