Base | Representation |
---|---|
bin | 111101011101000111… |
… | …1000110111001011101 |
3 | 110121122110111112120022 |
4 | 1322322033012321131 |
5 | 4130240211311334 |
6 | 140343335001525 |
7 | 12351266410400 |
oct | 1727217067135 |
9 | 417573445508 |
10 | 131973541469 |
11 | 50a73695040 |
12 | 216b18092a5 |
13 | c5a2a16b53 |
14 | 655d637d37 |
15 | 367624b82e |
hex | 1eba3c6e5d |
131973541469 has 48 divisors (see below), whose sum is σ = 169129013760. Its totient is φ = 101827031040.
The previous prime is 131973541463. The next prime is 131973541481. The reversal of 131973541469 is 964145379131.
It is not a de Polignac number, because 131973541469 - 28 = 131973541213 is a prime.
It is a super-2 number, since 2×1319735414692 (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 131973541469.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131973541463) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23195177 + ... + 23200865.
It is an arithmetic number, because the mean of its divisors is an integer number (3523521120).
Almost surely, 2131973541469 is an apocalyptic number.
It is an amenable number.
131973541469 is a deficient number, since it is larger than the sum of its proper divisors (37155472291).
131973541469 is a wasteful number, since it uses less digits than its factorization.
131973541469 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6130 (or 6123 counting only the distinct ones).
The product of its digits is 2449440, while the sum is 53.
The spelling of 131973541469 in words is "one hundred thirty-one billion, nine hundred seventy-three million, five hundred forty-one thousand, four hundred sixty-nine".
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