Base | Representation |
---|---|
bin | 10001101001001010100… |
… | …001110000100010001000 |
3 | 11021220111102002111121002 |
4 | 101221022201300202020 |
5 | 124331024333003000 |
6 | 2324552211034132 |
7 | 153411113441432 |
oct | 21511241604210 |
9 | 4256442074532 |
10 | 1212431141000 |
11 | 428209853342 |
12 | 176b8889b948 |
13 | 8a440b75241 |
14 | 429794d5652 |
15 | 218112218d5 |
hex | 11a4a870888 |
1212431141000 has 32 divisors (see below), whose sum is σ = 2837088872280. Its totient is φ = 484972456000.
The previous prime is 1212431140981. The next prime is 1212431141059. The reversal of 1212431141000 is 1411342121.
It can be written as a sum of positive squares in 4 ways, for example, as 44341409476 + 1168089731524 = 210574^2 + 1080782^2 .
It is a Harshad number since it is a multiple of its sum of digits (20).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606214571 + ... + 606216570.
Almost surely, 21212431141000 is an apocalyptic number.
1212431141000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1212431141000 is an abundant number, since it is smaller than the sum of its proper divisors (1624657731280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1212431141000 is a wasteful number, since it uses less digits than its factorization.
1212431141000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1212431162 (or 1212431148 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 20.
Adding to 1212431141000 its reverse (1411342121), we get a palindrome (1213842483121).
The spelling of 1212431141000 in words is "one trillion, two hundred twelve billion, four hundred thirty-one million, one hundred forty-one thousand".
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