Base | Representation |
---|---|
bin | 11011110001001000000110… |
… | …101100001001101111101101 |
3 | 121000101212100122100212111201 |
4 | 123301020012230021233231 |
5 | 112001331314324111023 |
6 | 1111422343525445501 |
7 | 34503053022216124 |
oct | 3361100654115755 |
9 | 530355318325451 |
10 | 122123212332013 |
11 | 35a04188685762 |
12 | 11844368870891 |
13 | 531b228544079 |
14 | 2222b1b740abb |
15 | e1ba89620bad |
hex | 6f1206b09bed |
122123212332013 has 4 divisors (see below), whose sum is σ = 126062670794368. Its totient is φ = 118183753869660.
The previous prime is 122123212332001. The next prime is 122123212332049. The reversal of 122123212332013 is 310233212321221.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 122123212332013 - 245 = 86938840243181 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 (122123212333013) 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, 1969729231131 + ... + 1969729231192.
It is an arithmetic number, because the mean of its divisors is an integer number (31515667698592).
Almost surely, 2122123212332013 is an apocalyptic number.
It is an amenable number.
122123212332013 is a deficient number, since it is larger than the sum of its proper divisors (3939458462355).
122123212332013 is an equidigital number, since it uses as much as digits as its factorization.
122123212332013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3939458462354.
The product of its (nonzero) digits is 5184, while the sum is 28.
Adding to 122123212332013 its reverse (310233212321221), we get a palindrome (432356424653234).
The spelling of 122123212332013 in words is "one hundred twenty-two trillion, one hundred twenty-three billion, two hundred twelve million, three hundred thirty-two thousand, thirteen".
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