Base | Representation |
---|---|
bin | 11101110010010011100010… |
… | …100101100000111011011101 |
3 | 122011211111200102111011201101 |
4 | 131302103202211200323131 |
5 | 114132302110311404041 |
6 | 1142340413040313101 |
7 | 36410313440423032 |
oct | 3562234245407335 |
9 | 564744612434641 |
10 | 131000304013021 |
11 | 38816a0a498653 |
12 | 128388a0912791 |
13 | 5813377825291 |
14 | 244c63cb41389 |
15 | 1022942862b31 |
hex | 7724e2960edd |
131000304013021 has 8 divisors (see below), whose sum is σ = 131178206377440. Its totient is φ = 130822403367312.
The previous prime is 131000304013009. The next prime is 131000304013043. The reversal of 131000304013021 is 120310403000131.
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 131000304013021 - 217 = 131000303881949 is a prime.
It is a super-2 number, since 2×1310003040130212 (a number of 29 digits) contains 22 as substring.
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 131000304013021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131000304713021) 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, 255003606 + ... + 255516808.
It is an arithmetic number, because the mean of its divisors is an integer number (16397275797180).
Almost surely, 2131000304013021 is an apocalyptic number.
It is an amenable number.
131000304013021 is a deficient number, since it is larger than the sum of its proper divisors (177902364419).
131000304013021 is an equidigital number, since it uses as much as digits as its factorization.
131000304013021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 859355.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 131000304013021 its reverse (120310403000131), we get a palindrome (251310707013152).
The spelling of 131000304013021 in words is "one hundred thirty-one trillion, three hundred four million, thirteen thousand, twenty-one".
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