Base | Representation |
---|---|
bin | 10011011011011000… |
… | …011011110111001110 |
3 | 1222211210200102212011 |
4 | 103123120123313032 |
5 | 320210241010240 |
6 | 13325544331434 |
7 | 1335641124505 |
oct | 233330336716 |
9 | 58753612764 |
10 | 20860485070 |
11 | 8935222207 |
12 | 4062173b7a |
13 | 1c75a474b9 |
14 | 101c6b783c |
15 | 82158e6ea |
hex | 4db61bdce |
20860485070 has 24 divisors (see below), whose sum is σ = 37715946984. Its totient is φ = 8307230256.
The previous prime is 20860485047. The next prime is 20860485071. The reversal of 20860485070 is 7058406802.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20860485071) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 495049 + ... + 535531.
It is an arithmetic number, because the mean of its divisors is an integer number (1571497791).
Almost surely, 220860485070 is an apocalyptic number.
20860485070 is a deficient number, since it is larger than the sum of its proper divisors (16855461914).
20860485070 is an equidigital number, since it uses as much as digits as its factorization.
20860485070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40944 (or 40717 counting only the distinct ones).
The product of its (nonzero) digits is 107520, while the sum is 40.
The spelling of 20860485070 in words is "twenty billion, eight hundred sixty million, four hundred eighty-five thousand, seventy".
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