Base | Representation |
---|---|
bin | 1001001000010010110110… |
… | …11110001101100100110001 |
3 | 2122002021012201101110211120 |
4 | 10210021123132031210301 |
5 | 10112412040204204311 |
6 | 110410515005132453 |
7 | 4141313146361601 |
oct | 444113336154461 |
9 | 78067181343746 |
10 | 20076211788081 |
11 | 6440301194469 |
12 | 2302aa285a129 |
13 | b2824264ab27 |
14 | 4d599dc52c01 |
15 | 24c3659b6706 |
hex | 12425b78d931 |
20076211788081 has 32 divisors (see below), whose sum is σ = 28744242536448. Its totient is φ = 12418485300480.
The previous prime is 20076211787999. The next prime is 20076211788097. The reversal of 20076211788081 is 18088711267002.
It is not a de Polignac number, because 20076211788081 - 213 = 20076211779889 is a prime.
It is a super-2 number, since 2×200762117880812 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is not an unprimeable number, because it can be changed into a prime (20076211788481) 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, 49634400 + ... + 50037246.
It is an arithmetic number, because the mean of its divisors is an integer number (898257579264).
Almost surely, 220076211788081 is an apocalyptic number.
It is an amenable number.
20076211788081 is a deficient number, since it is larger than the sum of its proper divisors (8668030748367).
20076211788081 is a wasteful number, since it uses less digits than its factorization.
20076211788081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 416701.
The product of its (nonzero) digits is 602112, while the sum is 51.
The spelling of 20076211788081 in words is "twenty trillion, seventy-six billion, two hundred eleven million, seven hundred eighty-eight thousand, eighty-one".
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