Base | Representation |
---|---|
bin | 111000110011111110… |
… | …1010100100000101011 |
3 | 102122220121120100012202 |
4 | 1301213331110200223 |
5 | 3444330310243311 |
6 | 132014132130415 |
7 | 11546232123410 |
oct | 1614775244053 |
9 | 378817510182 |
10 | 122003212331 |
11 | 478176a6200 |
12 | 1b78a766a0b |
13 | b674217900 |
14 | 5c953da107 |
15 | 3290c9ee3b |
hex | 1c67f5482b |
122003212331 has 72 divisors (see below), whose sum is σ = 166829241600. Its totient is φ = 87293194560.
The previous prime is 122003212327. The next prime is 122003212349. The reversal of 122003212331 is 133212300221.
It is not a de Polignac number, because 122003212331 - 22 = 122003212327 is a prime.
It is a super-2 number, since 2×1220032123312 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (122003212381) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 28483316 + ... + 28487598.
It is an arithmetic number, because the mean of its divisors is an integer number (2317072800).
Almost surely, 2122003212331 is an apocalyptic number.
122003212331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
122003212331 is a deficient number, since it is larger than the sum of its proper divisors (44826029269).
122003212331 is a wasteful number, since it uses less digits than its factorization.
122003212331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4537 (or 4513 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 122003212331 its reverse (133212300221), we get a palindrome (255215512552).
The spelling of 122003212331 in words is "one hundred twenty-two billion, three million, two hundred twelve thousand, three hundred thirty-one".
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