Base | Representation |
---|---|
bin | 10010101111010111… |
… | …110111111010001110 |
3 | 1220221100100122020122 |
4 | 102233113313322032 |
5 | 312202231442202 |
6 | 13124411144542 |
7 | 1311434241035 |
oct | 225727677216 |
9 | 56840318218 |
10 | 20122140302 |
11 | 8596472920 |
12 | 3a96a45152 |
13 | 1b88aa0ac4 |
14 | d8c5db71c |
15 | 7cb8459a2 |
hex | 4af5f7e8e |
20122140302 has 16 divisors (see below), whose sum is σ = 33234872832. Its totient is φ = 9060945720.
The previous prime is 20122140277. The next prime is 20122140349. The reversal of 20122140302 is 20304122102.
It is a congruent number.
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 7 ways as a sum of consecutive naturals, for example, 4271678 + ... + 4276385.
It is an arithmetic number, because the mean of its divisors is an integer number (2077179552).
Almost surely, 220122140302 is an apocalyptic number.
20122140302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
20122140302 is a deficient number, since it is larger than the sum of its proper divisors (13112732530).
20122140302 is a wasteful number, since it uses less digits than its factorization.
20122140302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8548183.
The product of its (nonzero) digits is 192, while the sum is 17.
Adding to 20122140302 its reverse (20304122102), we get a palindrome (40426262404).
The spelling of 20122140302 in words is "twenty billion, one hundred twenty-two million, one hundred forty thousand, three hundred two".
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