Base | Representation |
---|---|
bin | 11011100010001111001011… |
… | …000101011100010010000011 |
3 | 120212210001021220212112220120 |
4 | 123202033023011130102003 |
5 | 111333100310042042011 |
6 | 1105320324315111323 |
7 | 34336121066646141 |
oct | 3342171305342203 |
9 | 525701256775816 |
10 | 121100010112131 |
11 | 3564a253701636 |
12 | 116b9bb0442543 |
13 | 52758b333584b |
14 | 21c93b3a0a591 |
15 | e00150e52a06 |
hex | 6e23cb15c483 |
121100010112131 has 32 divisors (see below), whose sum is σ = 167816457984000. Its totient is φ = 77594253834240.
The previous prime is 121100010112097. The next prime is 121100010112157. The reversal of 121100010112131 is 131211010001121.
It is not a de Polignac number, because 121100010112131 - 213 = 121100010103939 is a prime.
It is a super-2 number, since 2×1211000101121312 (a number of 29 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 121100010112131.
It is not an unprimeable number, because it can be changed into a prime (121100010112171) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103191600 + ... + 104358546.
It is an arithmetic number, because the mean of its divisors is an integer number (5244264312000).
Almost surely, 2121100010112131 is an apocalyptic number.
121100010112131 is a deficient number, since it is larger than the sum of its proper divisors (46716447871869).
121100010112131 is a wasteful number, since it uses less digits than its factorization.
121100010112131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1174619.
The product of its (nonzero) digits is 12, while the sum is 15.
Adding to 121100010112131 its reverse (131211010001121), we get a palindrome (252311020113252).
The spelling of 121100010112131 in words is "one hundred twenty-one trillion, one hundred billion, ten million, one hundred twelve thousand, one hundred thirty-one".
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