Base | Representation |
---|---|
bin | 10010111111111111… |
… | …101110100110110110 |
3 | 1221122210010100221210 |
4 | 102333333232212312 |
5 | 313240130222124 |
6 | 13212212422250 |
7 | 1321361560242 |
oct | 227777564666 |
9 | 57583110853 |
10 | 20401023414 |
11 | 8719933932 |
12 | 3b54317986 |
13 | 1c017b6cb5 |
14 | db7675422 |
15 | 7e6082a29 |
hex | 4bffee9b6 |
20401023414 has 48 divisors (see below), whose sum is σ = 44095064832. Its totient is φ = 6280339296.
The previous prime is 20401023403. The next prime is 20401023421. The reversal of 20401023414 is 41432010402.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28167 + ... + 203949.
It is an arithmetic number, because the mean of its divisors is an integer number (918647184).
Almost surely, 220401023414 is an apocalyptic number.
20401023414 is an abundant number, since it is smaller than the sum of its proper divisors (23694041418).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20401023414 is a wasteful number, since it uses less digits than its factorization.
20401023414 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 175869 (or 175840 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 21.
Adding to 20401023414 its reverse (41432010402), we get a palindrome (61833033816).
The spelling of 20401023414 in words is "twenty billion, four hundred one million, twenty-three thousand, four hundred fourteen".
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