Base | Representation |
---|---|
bin | 10010101111010111… |
… | …011000011010100100 |
3 | 1220221100010002021210 |
4 | 102233113120122210 |
5 | 312202213330200 |
6 | 13124404311420 |
7 | 1311433162656 |
oct | 225727303244 |
9 | 56840102253 |
10 | 20122011300 |
11 | 8596394a06 |
12 | 3a969a2570 |
13 | 1b88a57181 |
14 | d8c5a66d6 |
15 | 7cb81c650 |
hex | 4af5d86a4 |
20122011300 has 72 divisors (see below), whose sum is σ = 59458444416. Its totient is φ = 5251698560.
The previous prime is 20122011281. The next prime is 20122011319. The reversal of 20122011300 is 311022102.
It is an interprime number because it is at equal distance from previous prime (20122011281) and next prime (20122011319).
It is a Harshad number since it is a multiple of its sum of digits (12).
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, 699447 + ... + 727646.
It is an arithmetic number, because the mean of its divisors is an integer number (825811728).
Almost surely, 220122011300 is an apocalyptic number.
20122011300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20122011300 is an abundant number, since it is smaller than the sum of its proper divisors (39336433116).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20122011300 is a wasteful number, since it uses less digits than its factorization.
20122011300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1427157 (or 1427150 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 12.
Adding to 20122011300 its reverse (311022102), we get a palindrome (20433033402).
The spelling of 20122011300 in words is "twenty billion, one hundred twenty-two million, eleven thousand, three hundred".
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