Base | Representation |
---|---|
bin | 10010000011001000001… |
… | …111101010011011110101 |
3 | 11101120110100022220102211 |
4 | 102003020033222123311 |
5 | 130310123343133141 |
6 | 2345442434333421 |
7 | 155416020105115 |
oct | 22031017523365 |
9 | 4346410286384 |
10 | 1240310130421 |
11 | 43901580876a |
12 | 18046942a271 |
13 | 8cc649a409b |
14 | 44061d85045 |
15 | 223e3a32d81 |
hex | 120c83ea6f5 |
1240310130421 has 16 divisors (see below), whose sum is σ = 1280293267968. Its totient is φ = 1200913168000.
The previous prime is 1240310130413. The next prime is 1240310130439.
1240310130421 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 1240310130421 - 23 = 1240310130413 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1240310130392 and 1240310130401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1240310160421) 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, 5698761 + ... + 5912401.
It is an arithmetic number, because the mean of its divisors is an integer number (80018329248).
Almost surely, 21240310130421 is an apocalyptic number.
It is an amenable number.
1240310130421 is a deficient number, since it is larger than the sum of its proper divisors (39983137547).
1240310130421 is a wasteful number, since it uses less digits than its factorization.
1240310130421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 215012.
The product of its (nonzero) digits is 576, while the sum is 22.
It can be divided in two parts, 1240310 and 130421, that added together give a palindrome (1370731).
The spelling of 1240310130421 in words is "one trillion, two hundred forty billion, three hundred ten million, one hundred thirty thousand, four hundred twenty-one".
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