Base | Representation |
---|---|
bin | 10010101111011000… |
… | …110111100101101111 |
3 | 1220221100211220001010 |
4 | 102233120313211233 |
5 | 312202313314020 |
6 | 13124420520303 |
7 | 1311436405344 |
oct | 225730674557 |
9 | 56840756033 |
10 | 20122401135 |
11 | 8596630891 |
12 | 3a96b50093 |
13 | 1b88b62745 |
14 | d8c6687cb |
15 | 7cb897de0 |
hex | 4af63796f |
20122401135 has 16 divisors (see below), whose sum is σ = 34089715296. Its totient is φ = 10100656128.
The previous prime is 20122401127. The next prime is 20122401149. The reversal of 20122401135 is 53110422102.
It is not a de Polignac number, because 20122401135 - 23 = 20122401127 is a prime.
It is a super-2 number, since 2×201224011352 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39455434 + ... + 39455943.
It is an arithmetic number, because the mean of its divisors is an integer number (2130607206).
Almost surely, 220122401135 is an apocalyptic number.
20122401135 is a deficient number, since it is larger than the sum of its proper divisors (13967314161).
20122401135 is a wasteful number, since it uses less digits than its factorization.
20122401135 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78911402.
The product of its (nonzero) digits is 480, while the sum is 21.
Adding to 20122401135 its reverse (53110422102), we get a palindrome (73232823237).
The spelling of 20122401135 in words is "twenty billion, one hundred twenty-two million, four hundred one thousand, one hundred thirty-five".
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