Base | Representation |
---|---|
bin | 10011000000101101… |
… | …011111110011100100 |
3 | 1221200121200221010002 |
4 | 103000231133303210 |
5 | 313301213141122 |
6 | 13213321520432 |
7 | 1321565550650 |
oct | 230055376344 |
9 | 57617627102 |
10 | 20413021412 |
11 | 8725689133 |
12 | 3b58343118 |
13 | 1c041280c4 |
14 | db90b9a60 |
15 | 7e7152992 |
hex | 4c0b5fce4 |
20413021412 has 24 divisors (see below), whose sum is σ = 42974783040. Its totient is φ = 8287993440.
The previous prime is 20413021379. The next prime is 20413021441. The reversal of 20413021412 is 21412031402.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19184639 + ... + 19185702.
It is an arithmetic number, because the mean of its divisors is an integer number (1790615960).
Almost surely, 220413021412 is an apocalyptic number.
It is an amenable number.
20413021412 is an abundant number, since it is smaller than the sum of its proper divisors (22561761628).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20413021412 is a wasteful number, since it uses less digits than its factorization.
20413021412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38370371 (or 38370369 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 20413021412 its reverse (21412031402), we get a palindrome (41825052814).
The spelling of 20413021412 in words is "twenty billion, four hundred thirteen million, twenty-one thousand, four hundred twelve".
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