Base | Representation |
---|---|
bin | 10010101111011010… |
… | …001100110101100110 |
3 | 1220221101111122000112 |
4 | 102233122030311212 |
5 | 312202411002220 |
6 | 13124432213022 |
7 | 1311442361345 |
oct | 225732146546 |
9 | 56841448015 |
10 | 20122750310 |
11 | 859684a163 |
12 | 3a9709a172 |
13 | 1b88c55660 |
14 | d8c719b5c |
15 | 7cb9165c5 |
hex | 4af68cd66 |
20122750310 has 16 divisors (see below), whose sum is σ = 39007177776. Its totient is φ = 7429938528.
The previous prime is 20122750303. The next prime is 20122750313. The reversal of 20122750310 is 1305722102.
It is a happy number.
It is a super-2 number, since 2×201227503102 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20122750313) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77395064 + ... + 77395323.
It is an arithmetic number, because the mean of its divisors is an integer number (2437948611).
Almost surely, 220122750310 is an apocalyptic number.
20122750310 is a deficient number, since it is larger than the sum of its proper divisors (18884427466).
20122750310 is a wasteful number, since it uses less digits than its factorization.
20122750310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 154790407.
The product of its (nonzero) digits is 840, while the sum is 23.
The spelling of 20122750310 in words is "twenty billion, one hundred twenty-two million, seven hundred fifty thousand, three hundred ten".
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