Base | Representation |
---|---|
bin | 1001100000101010110110… |
… | …11101001011101110100100 |
3 | 2202001022222210221000122020 |
4 | 10300111123131023232210 |
5 | 10220122304404003332 |
6 | 112251345054103140 |
7 | 4255652505045165 |
oct | 460253335135644 |
9 | 82038883830566 |
10 | 20913730141092 |
11 | 6733510499078 |
12 | 2419279aaaab0 |
13 | b892054a5189 |
14 | 524330d5176c |
15 | 26403298c82c |
hex | 13055b74bba4 |
20913730141092 has 48 divisors (see below), whose sum is σ = 49491595625472. Its totient is φ = 6872280982560.
The previous prime is 20913730141079. The next prime is 20913730141189. The reversal of 20913730141092 is 29014103731902.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6190683 + ... + 8952765.
It is an arithmetic number, because the mean of its divisors is an integer number (1031074908864).
Almost surely, 220913730141092 is an apocalyptic number.
It is an amenable number.
20913730141092 is an abundant number, since it is smaller than the sum of its proper divisors (28577865484380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20913730141092 is a wasteful number, since it uses less digits than its factorization.
20913730141092 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2771048 (or 2771046 counting only the distinct ones).
The product of its (nonzero) digits is 81648, while the sum is 42.
Adding to 20913730141092 its reverse (29014103731902), we get a palindrome (49927833872994).
The spelling of 20913730141092 in words is "twenty trillion, nine hundred thirteen billion, seven hundred thirty million, one hundred forty-one thousand, ninety-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.105 sec. • engine limits •