Base | Representation |
---|---|
bin | 10010000100001001011… |
… | …001100010111001010100 |
3 | 11101200021112012121220112 |
4 | 102010021121202321110 |
5 | 130314343212140040 |
6 | 2350143123422152 |
7 | 155455062302426 |
oct | 22041131427124 |
9 | 4350245177815 |
10 | 1241403240020 |
11 | 439526847129 |
12 | 180713524958 |
13 | 900aa2b16b8 |
14 | 4412720c816 |
15 | 224599a7365 |
hex | 12109662e54 |
1241403240020 has 48 divisors (see below), whose sum is σ = 2621865688848. Its totient is φ = 493722378240.
The previous prime is 1241403239959. The next prime is 1241403240031. The reversal of 1241403240020 is 200423041421.
It can be written as a sum of positive squares in 8 ways, for example, as 117832919824 + 1123570320196 = 343268^2 + 1059986^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7159550 + ... + 7330890.
It is an arithmetic number, because the mean of its divisors is an integer number (54622201851).
Almost surely, 21241403240020 is an apocalyptic number.
1241403240020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1241403240020 is an abundant number, since it is smaller than the sum of its proper divisors (1380462448828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1241403240020 is a wasteful number, since it uses less digits than its factorization.
1241403240020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 173420 (or 173418 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 23.
Adding to 1241403240020 its reverse (200423041421), we get a palindrome (1441826281441).
The spelling of 1241403240020 in words is "one trillion, two hundred forty-one billion, four hundred three million, two hundred forty thousand, twenty".
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