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129334543 = 1323432557
BaseRepresentation
bin1111011010101…
…11110100001111
3100000100212122021
413231113310033
5231102201133
620500031011
73130216432
oct755276417
9300325567
10129334543
1167007a58
1237392467
1320a44920
1413269819
15b54b52d
hex7b57d0f

129334543 has 8 divisors (see below), whose sum is σ = 145339488. Its totient is φ = 114194784.

The previous prime is 129334531. The next prime is 129334567. The reversal of 129334543 is 345433921.

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 129334543 - 217 = 129203471 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 129334499 and 129334508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129334043) 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, 215980 + ... + 216577.

It is an arithmetic number, because the mean of its divisors is an integer number (18167436).

Almost surely, 2129334543 is an apocalyptic number.

129334543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

129334543 is a deficient number, since it is larger than the sum of its proper divisors (16004945).

129334543 is a wasteful number, since it uses less digits than its factorization.

129334543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432593.

The product of its digits is 38880, while the sum is 34.

The square root of 129334543 is about 11372.5345899672. The cubic root of 129334543 is about 505.7138458696.

The spelling of 129334543 in words is "one hundred twenty-nine million, three hundred thirty-four thousand, five hundred forty-three".

Divisors: 1 13 23 299 432557 5623241 9948811 129334543