Base | Representation |
---|---|
bin | 111000111111111011… |
… | …1100101011010011001 |
3 | 102200221120101211221111 |
4 | 1301333313211122121 |
5 | 4001141004040011 |
6 | 132122022140321 |
7 | 11562202623544 |
oct | 1617767453231 |
9 | 380846354844 |
10 | 122404361881 |
11 | 47a0308685a |
12 | 1b880b816a1 |
13 | b70936c4c9 |
14 | 5cd27bd85b |
15 | 32b60de121 |
hex | 1c7fde5699 |
122404361881 has 8 divisors (see below), whose sum is σ = 128305878624. Its totient is φ = 116641704480.
The previous prime is 122404361879. The next prime is 122404361923. The reversal of 122404361881 is 188163404221.
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 122404361881 - 21 = 122404361879 is a prime.
It is a super-2 number, since 2×1224043618812 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122404361281) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34713031 + ... + 34716556.
It is an arithmetic number, because the mean of its divisors is an integer number (16038234828).
Almost surely, 2122404361881 is an apocalyptic number.
It is an amenable number.
122404361881 is a deficient number, since it is larger than the sum of its proper divisors (5901516743).
122404361881 is an equidigital number, since it uses as much as digits as its factorization.
122404361881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69429671.
The product of its (nonzero) digits is 73728, while the sum is 40.
The spelling of 122404361881 in words is "one hundred twenty-two billion, four hundred four million, three hundred sixty-one thousand, eight hundred eighty-one".
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