Base | Representation |
---|---|
bin | 10010101111011000… |
… | …111101011101111111 |
3 | 1220221100220010001222 |
4 | 102233120331131333 |
5 | 312202320101330 |
6 | 13124421223555 |
7 | 1311436535504 |
oct | 225730753577 |
9 | 56840803058 |
10 | 20122425215 |
11 | 8596647992 |
12 | 3a96b61bbb |
13 | 1b88b706a9 |
14 | d8c6734ab |
15 | 7cb8a00e5 |
hex | 4af63d77f |
20122425215 has 8 divisors (see below), whose sum is σ = 24253285680. Its totient is φ = 16027023232.
The previous prime is 20122425187. The next prime is 20122425259. The reversal of 20122425215 is 51252422102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20122425215 - 26 = 20122425151 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8863370 + ... + 8865639.
It is an arithmetic number, because the mean of its divisors is an integer number (3031660710).
Almost surely, 220122425215 is an apocalyptic number.
20122425215 is a deficient number, since it is larger than the sum of its proper divisors (4130860465).
20122425215 is a wasteful number, since it uses less digits than its factorization.
20122425215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17729241.
The product of its (nonzero) digits is 3200, while the sum is 26.
Adding to 20122425215 its reverse (51252422102), we get a palindrome (71374847317).
The spelling of 20122425215 in words is "twenty billion, one hundred twenty-two million, four hundred twenty-five thousand, two hundred fifteen".
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