Base | Representation |
---|---|
bin | 10010101100101110… |
… | …011001011100111010 |
3 | 1220211020202111201210 |
4 | 102230232121130322 |
5 | 312104343310320 |
6 | 13120143023550 |
7 | 1310354514012 |
oct | 225456313472 |
9 | 56736674653 |
10 | 20077713210 |
11 | 8573389115 |
12 | 3a83b9abb6 |
13 | 1b7c817199 |
14 | d86754c42 |
15 | 7c79bc0e0 |
hex | 4acb9973a |
20077713210 has 64 divisors (see below), whose sum is σ = 48655429632. Its totient is φ = 5302112256.
The previous prime is 20077713113. The next prime is 20077713211. The reversal of 20077713210 is 1231777002.
It is a super-2 number, since 2×200777132102 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (20077713211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2193804 + ... + 2202936.
It is an arithmetic number, because the mean of its divisors is an integer number (760241088).
Almost surely, 220077713210 is an apocalyptic number.
20077713210 is an abundant number, since it is smaller than the sum of its proper divisors (28577716422).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20077713210 is a wasteful number, since it uses less digits than its factorization.
20077713210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9847.
The product of its (nonzero) digits is 4116, while the sum is 30.
The spelling of 20077713210 in words is "twenty billion, seventy-seven million, seven hundred thirteen thousand, two hundred ten".
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