Base | Representation |
---|---|
bin | 11101110101001101101111… |
… | …001110101001110001101100 |
3 | 122012112121201202110110020102 |
4 | 131311031233032221301230 |
5 | 114144041033404244040 |
6 | 1143012315441210232 |
7 | 36430622026226633 |
oct | 3565155716516154 |
9 | 565477652413212 |
10 | 131200232103020 |
11 | 388937847037a3 |
12 | 1286b598330978 |
13 | 5829189c87452 |
14 | 24581a746451a |
15 | 1027c44830515 |
hex | 77536f3a9c6c |
131200232103020 has 24 divisors (see below), whose sum is σ = 275625607895568. Its totient is φ = 52460069892800.
The previous prime is 131200232103001. The next prime is 131200232103067. The reversal of 131200232103020 is 20301232002131.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 131200232102983 and 131200232103001.
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, 1251380546 + ... + 1251485385.
It is an arithmetic number, because the mean of its divisors is an integer number (11484400328982).
Almost surely, 2131200232103020 is an apocalyptic number.
131200232103020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131200232103020 is an abundant number, since it is smaller than the sum of its proper divisors (144425375792548).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131200232103020 is a wasteful number, since it uses less digits than its factorization.
131200232103020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2502868561 (or 2502868559 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 131200232103020 its reverse (20301232002131), we get a palindrome (151501464105151).
The spelling of 131200232103020 in words is "one hundred thirty-one trillion, two hundred billion, two hundred thirty-two million, one hundred three thousand, twenty".
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