Base | Representation |
---|---|
bin | 10011000100001010100… |
… | …011101001011010101001 |
3 | 11122020201001120122200112 |
4 | 103010022203221122221 |
5 | 132431132342021441 |
6 | 2441512044544105 |
7 | 163440354315011 |
oct | 23041243513251 |
9 | 4566631518615 |
10 | 1310142142121 |
11 | 4656a00a172a |
12 | 191ab7b52035 |
13 | 96713391c77 |
14 | 475a854cc41 |
15 | 2412e50e4eb |
hex | 1310a8e96a9 |
1310142142121 has 8 divisors (see below), whose sum is σ = 1332366224640. Its totient is φ = 1287918669168.
The previous prime is 1310142142061. The next prime is 1310142142147. The reversal of 1310142142121 is 1212412410131.
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 1310142142121 - 226 = 1310075033257 is a prime.
It is a super-2 number, since 2×13101421421212 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1310142142321) 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, 7023755 + ... + 7207871.
It is an arithmetic number, because the mean of its divisors is an integer number (166545778080).
Almost surely, 21310142142121 is an apocalyptic number.
It is an amenable number.
1310142142121 is a deficient number, since it is larger than the sum of its proper divisors (22224082519).
1310142142121 is a wasteful number, since it uses less digits than its factorization.
1310142142121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 304783.
The product of its (nonzero) digits is 384, while the sum is 23.
Adding to 1310142142121 its reverse (1212412410131), we get a palindrome (2522554552252).
The spelling of 1310142142121 in words is "one trillion, three hundred ten billion, one hundred forty-two million, one hundred forty-two thousand, one hundred twenty-one".
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