Search a number
-
+
129195241195 = 5119692158831
BaseRepresentation
bin111100001010010100…
…0101110111011101011
3110100110211122021002011
41320110220232323223
54104042440204240
6135203530220351
712222402300526
oct1702450567353
9410424567064
10129195241195
114a878388a09
12210572846b7
13c24c2468a7
146378661bbd
15356239b6ea
hex1e14a2eeeb

129195241195 has 8 divisors (see below), whose sum is σ = 155047314240. Its totient is φ = 103347509760.

The previous prime is 129195241187. The next prime is 129195241267. The reversal of 129195241195 is 591142591921.

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

It is not a de Polignac number, because 129195241195 - 23 = 129195241187 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1019571 + ... + 1139260.

It is an arithmetic number, because the mean of its divisors is an integer number (19380914280).

Almost surely, 2129195241195 is an apocalyptic number.

129195241195 is a deficient number, since it is larger than the sum of its proper divisors (25852073045).

129195241195 is a wasteful number, since it uses less digits than its factorization.

129195241195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170805.

The product of its digits is 291600, while the sum is 49.

The spelling of 129195241195 in words is "one hundred twenty-nine billion, one hundred ninety-five million, two hundred forty-one thousand, one hundred ninety-five".

Divisors: 1 5 11969 59845 2158831 10794155 25839048239 129195241195