Search a number
-
+
129995000406 = 23241176144987
BaseRepresentation
bin111100100010001001…
…1100100101001010110
3110102112120112020110200
41321010103210221112
54112212210003111
6135415140001330
712251253162165
oct1710423445126
9412476466420
10129995000406
1150148874937
122123b090246
13c348b43cab
1464129673dc
1535ac6c7256
hex1e444e4a56

129995000406 has 24 divisors (see below), whose sum is σ = 288525490344. Its totient is φ = 42274796640.

The previous prime is 129995000321. The next prime is 129995000407. The reversal of 129995000406 is 604000599921.

129995000406 is a `hidden beast` number, since 12 + 9 + 99 + 500 + 0 + 40 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129995000407) 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 11 ways as a sum of consecutive naturals, for example, 88071756 + ... + 88073231.

It is an arithmetic number, because the mean of its divisors is an integer number (12021895431).

Almost surely, 2129995000406 is an apocalyptic number.

129995000406 is an abundant number, since it is smaller than the sum of its proper divisors (158530489938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129995000406 is a wasteful number, since it uses less digits than its factorization.

129995000406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176145036 (or 176145033 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The spelling of 129995000406 in words is "one hundred twenty-nine billion, nine hundred ninety-five million, four hundred six", and thus it is an aban number.

Divisors: 1 2 3 6 9 18 41 82 123 246 369 738 176144987 352289974 528434961 1056869922 1585304883 3170609766 7221944467 14443888934 21665833401 43331666802 64997500203 129995000406