Base | Representation |
---|---|
bin | 10011000010101001… |
… | …000100001001110000 |
3 | 1221202212122122101120 |
4 | 103002221010021300 |
5 | 313333011222000 |
6 | 13220440102240 |
7 | 1322441102664 |
oct | 230251041160 |
9 | 57685578346 |
10 | 20445414000 |
11 | 87419a3170 |
12 | 3b67164980 |
13 | 1c0aa5a10b |
14 | dbd50c8a4 |
15 | 7e9e006a0 |
hex | 4c2a44270 |
20445414000 has 160 divisors (see below), whose sum is σ = 71908611840. Its totient is φ = 4956448000.
The previous prime is 20445413969. The next prime is 20445414001. The reversal of 20445414000 is 41454402.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20445414001) 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, 88890 + ... + 220889.
It is an arithmetic number, because the mean of its divisors is an integer number (449428824).
Almost surely, 220445414000 is an apocalyptic number.
20445414000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20445414000 is an abundant number, since it is smaller than the sum of its proper divisors (51463197840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20445414000 is a wasteful number, since it uses less digits than its factorization.
20445414000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 309816 (or 309800 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 24.
Adding to 20445414000 its reverse (41454402), we get a palindrome (20486868402).
The spelling of 20445414000 in words is "twenty billion, four hundred forty-five million, four hundred fourteen thousand".
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