Base | Representation |
---|---|
bin | 10001101001101110101… |
… | …110100101011001001100 |
3 | 11021222001201220200012222 |
4 | 101221232232211121030 |
5 | 124333300322424040 |
6 | 2325132344314512 |
7 | 153432136660040 |
oct | 21515656453114 |
9 | 4258051820188 |
10 | 1213038483020 |
11 | 4284a06663a1 |
12 | 177118172a38 |
13 | 8a509941910 |
14 | 429d6030020 |
15 | 218496debb5 |
hex | 11a6eba564c |
1213038483020 has 48 divisors (see below), whose sum is σ = 3135237930048. Its totient is φ = 383906684160.
The previous prime is 1213038483017. The next prime is 1213038483029. The reversal of 1213038483020 is 203848303121.
It is a super-2 number, since 2×12130384830202 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is not an unprimeable number, because it can be changed into a prime (1213038483029) 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, 333250511 + ... + 333254150.
It is an arithmetic number, because the mean of its divisors is an integer number (65317456876).
Almost surely, 21213038483020 is an apocalyptic number.
1213038483020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1213038483020 is an abundant number, since it is smaller than the sum of its proper divisors (1922199447028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1213038483020 is a wasteful number, since it uses less digits than its factorization.
1213038483020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 666504690 (or 666504688 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 35.
The spelling of 1213038483020 in words is "one trillion, two hundred thirteen billion, thirty-eight million, four hundred eighty-three thousand, twenty".
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