Base | Representation |
---|---|
bin | 111101001101001110… |
… | …1011000101000100011 |
3 | 110120021022022211002120 |
4 | 1322122131120220203 |
5 | 4123142221210334 |
6 | 140214412115323 |
7 | 12332134035543 |
oct | 1723235305043 |
9 | 416238284076 |
10 | 131440413219 |
11 | 5081a760985 |
12 | 21583165b43 |
13 | c519432c4b |
14 | 650c8db323 |
15 | 364453c949 |
hex | 1e9a758a23 |
131440413219 has 4 divisors (see below), whose sum is σ = 175253884296. Its totient is φ = 87626942144.
The previous prime is 131440413197. The next prime is 131440413227. The reversal of 131440413219 is 912314044131.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 131440413219 - 29 = 131440412707 is a prime.
It is a super-2 number, since 2×1314404132192 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 131440413219.
It is not an unprimeable number, because it can be changed into a prime (131440403219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21906735534 + ... + 21906735539.
It is an arithmetic number, because the mean of its divisors is an integer number (43813471074).
Almost surely, 2131440413219 is an apocalyptic number.
131440413219 is a deficient number, since it is larger than the sum of its proper divisors (43813471077).
131440413219 is an equidigital number, since it uses as much as digits as its factorization.
131440413219 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43813471076.
The product of its (nonzero) digits is 10368, while the sum is 33.
The spelling of 131440413219 in words is "one hundred thirty-one billion, four hundred forty million, four hundred thirteen thousand, two hundred nineteen".
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