Base | Representation |
---|---|
bin | 11011100000111101011011… |
… | …000111101010101001001011 |
3 | 120212110122201112102202000112 |
4 | 123200331123013222221023 |
5 | 111330131022432114011 |
6 | 1105212130240024535 |
7 | 34326562632605543 |
oct | 3340753307525113 |
9 | 525418645382015 |
10 | 121012232301131 |
11 | 35615aaa395a86 |
12 | 116a4b9390214b |
13 | 526a534a13802 |
14 | 21c5047cc4323 |
15 | decc14c2758b |
hex | 6e0f5b1eaa4b |
121012232301131 has 16 divisors (see below), whose sum is σ = 126310559666688. Its totient is φ = 115716987144000.
The previous prime is 121012232301119. The next prime is 121012232301137. The reversal of 121012232301131 is 131103232210121.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 121012232301131 - 214 = 121012232284747 is a prime.
It is a super-2 number, since 2×1210122323011312 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 121012232301097 and 121012232301106.
It is not an unprimeable number, because it can be changed into a prime (121012232301137) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1212898610 + ... + 1212998376.
It is an arithmetic number, because the mean of its divisors is an integer number (7894409979168).
Almost surely, 2121012232301131 is an apocalyptic number.
121012232301131 is a deficient number, since it is larger than the sum of its proper divisors (5298327365557).
121012232301131 is an equidigital number, since it uses as much as digits as its factorization.
121012232301131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 114682.
The product of its (nonzero) digits is 432, while the sum is 23.
Adding to 121012232301131 its reverse (131103232210121), we get a palindrome (252115464511252).
The spelling of 121012232301131 in words is "one hundred twenty-one trillion, twelve billion, two hundred thirty-two million, three hundred one thousand, one hundred thirty-one".
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