Base | Representation |
---|---|
bin | 111101000100101001… |
… | …0100001000001011001 |
3 | 110112112020021202110101 |
4 | 1322021102201001121 |
5 | 4122100000220241 |
6 | 140130042015401 |
7 | 12322035410125 |
oct | 1721122410131 |
9 | 415466252411 |
10 | 131152351321 |
11 | 506920a07a2 |
12 | 215027a7561 |
13 | c4a1854c14 |
14 | 64c2554585 |
15 | 36290dae31 |
hex | 1e894a1059 |
131152351321 has 8 divisors (see below), whose sum is σ = 132873331464. Its totient is φ = 129442439040.
The previous prime is 131152351303. The next prime is 131152351333. The reversal of 131152351321 is 123153251131.
It can be written as a sum of positive squares in 4 ways, for example, as 91694501721 + 39457849600 = 302811^2 + 198640^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 131152351321 - 215 = 131152318553 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 131152351321.
It is not an unprimeable number, because it can be changed into a prime (131152351721) 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, 2743110 + ... + 2790511.
It is an arithmetic number, because the mean of its divisors is an integer number (16609166433).
Almost surely, 2131152351321 is an apocalyptic number.
It is an amenable number.
131152351321 is a deficient number, since it is larger than the sum of its proper divisors (1720980143).
131152351321 is a wasteful number, since it uses less digits than its factorization.
131152351321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5533931.
The product of its digits is 2700, while the sum is 28.
The spelling of 131152351321 in words is "one hundred thirty-one billion, one hundred fifty-two million, three hundred fifty-one thousand, three hundred twenty-one".
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