Base | Representation |
---|---|
bin | 111000110100010001… |
… | …1011010111110110111 |
3 | 102122221022100210010221 |
4 | 1301220203122332313 |
5 | 3444340334402221 |
6 | 132015130155211 |
7 | 11546413043032 |
oct | 1615043327667 |
9 | 378838323127 |
10 | 122013200311 |
11 | 478222a8332 |
12 | 1b791b82b07 |
13 | b676303b62 |
14 | 5c9687a019 |
15 | 3291ac4541 |
hex | 1c688dafb7 |
122013200311 has 4 divisors (see below), whose sum is σ = 122832081000. Its totient is φ = 121194319624.
The previous prime is 122013200293. The next prime is 122013200317. The reversal of 122013200311 is 113002310221.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113002310221 = 7547 ⋅14973143.
It is a cyclic number.
It is not a de Polignac number, because 122013200311 - 25 = 122013200279 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122013200317) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409440121 + ... + 409440418.
It is an arithmetic number, because the mean of its divisors is an integer number (30708020250).
Almost surely, 2122013200311 is an apocalyptic number.
122013200311 is a deficient number, since it is larger than the sum of its proper divisors (818880689).
122013200311 is an equidigital number, since it uses as much as digits as its factorization.
122013200311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 818880688.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 122013200311 its reverse (113002310221), we get a palindrome (235015510532).
The spelling of 122013200311 in words is "one hundred twenty-two billion, thirteen million, two hundred thousand, three hundred eleven".
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