Base | Representation |
---|---|
bin | 111101001101010000… |
… | …1101110010001010100 |
3 | 110120021101110121001010 |
4 | 1322122201232101110 |
5 | 4123143014103140 |
6 | 140214452332220 |
7 | 12332146513155 |
oct | 1723241562124 |
9 | 416241417033 |
10 | 131441550420 |
11 | 50820368314 |
12 | 21583614070 |
13 | c51974074b |
14 | 650cb1592c |
15 | 36446b4880 |
hex | 1e9a86e454 |
131441550420 has 24 divisors (see below), whose sum is σ = 368036341344. Its totient is φ = 35051080096.
The previous prime is 131441550407. The next prime is 131441550421. The reversal of 131441550420 is 24055144131.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131441550421) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1095346194 + ... + 1095346313.
It is an arithmetic number, because the mean of its divisors is an integer number (15334847556).
Almost surely, 2131441550420 is an apocalyptic number.
131441550420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131441550420 is an abundant number, since it is smaller than the sum of its proper divisors (236594790924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131441550420 is a wasteful number, since it uses less digits than its factorization.
131441550420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2190692519 (or 2190692517 counting only the distinct ones).
The product of its (nonzero) digits is 9600, while the sum is 30.
Adding to 131441550420 its reverse (24055144131), we get a palindrome (155496694551).
The spelling of 131441550420 in words is "one hundred thirty-one billion, four hundred forty-one million, five hundred fifty thousand, four hundred twenty".
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