Base | Representation |
---|---|
bin | 111100011000110001… |
… | …0001000110010001111 |
3 | 110101201121220011120120 |
4 | 1320301202020302033 |
5 | 4111041043120333 |
6 | 135324005320023 |
7 | 12240410151303 |
oct | 1706142106217 |
9 | 411647804516 |
10 | 129680051343 |
11 | 4aaa700aa57 |
12 | 21171706013 |
13 | c2c8810abb |
14 | 63c2bc1d03 |
15 | 358ec13db3 |
hex | 1e31888c8f |
129680051343 has 4 divisors (see below), whose sum is σ = 172906735128. Its totient is φ = 86453367560.
The previous prime is 129680051329. The next prime is 129680051393. The reversal of 129680051343 is 343150086921.
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 129680051343 - 25 = 129680051311 is a prime.
It is a super-2 number, since 2×1296800513432 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 129680051295 and 129680051304.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (129680051393) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21613341888 + ... + 21613341893.
It is an arithmetic number, because the mean of its divisors is an integer number (43226683782).
Almost surely, 2129680051343 is an apocalyptic number.
129680051343 is a deficient number, since it is larger than the sum of its proper divisors (43226683785).
129680051343 is an equidigital number, since it uses as much as digits as its factorization.
129680051343 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43226683784.
The product of its (nonzero) digits is 155520, while the sum is 42.
The spelling of 129680051343 in words is "one hundred twenty-nine billion, six hundred eighty million, fifty-one thousand, three hundred forty-three".
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