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129095400189 = 376147400009
BaseRepresentation
bin111100000111010101…
…1110111101011111101
3110100012212202210222010
41320032223313223331
54103341410301224
6135150002241433
712220050540060
oct1701653675375
9410185683863
10129095400189
114a826a95988
1221029956279
13c23465a582
1463692b28d7
153558728e29
hex1e0eaf7afd

129095400189 has 8 divisors (see below), whose sum is σ = 196716800320. Its totient is φ = 73768800096.

The previous prime is 129095400163. The next prime is 129095400191. The reversal of 129095400189 is 981004590921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 129095400189 - 28 = 129095399933 is a prime.

It is a super-2 number, since 2×1290954001892 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129095400089) 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, 3073699984 + ... + 3073700025.

It is an arithmetic number, because the mean of its divisors is an integer number (24589600040).

Almost surely, 2129095400189 is an apocalyptic number.

It is an amenable number.

129095400189 is a deficient number, since it is larger than the sum of its proper divisors (67621400131).

129095400189 is an equidigital number, since it uses as much as digits as its factorization.

129095400189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6147400019.

The product of its (nonzero) digits is 233280, while the sum is 48.

The spelling of 129095400189 in words is "one hundred twenty-nine billion, ninety-five million, four hundred thousand, one hundred eighty-nine".

Divisors: 1 3 7 21 6147400009 18442200027 43031800063 129095400189