Search a number
-
+
29839291970 = 252983929197
BaseRepresentation
bin11011110010100011…
…110111011001000010
32212000112220002101212
4123302203313121002
5442102324320340
621412531330122
72104305540215
oct336243673102
985015802355
1029839291970
1111722558784
125949150942
132a76cb72a7
141630d7377c
15b99981a65
hex6f28f7642

29839291970 has 8 divisors (see below), whose sum is σ = 53710725564. Its totient is φ = 11935716784.

The previous prime is 29839291961. The next prime is 29839292053. The reversal of 29839291970 is 7919293892.

It can be written as a sum of positive squares in 2 ways, for example, as 29604987721 + 234304249 = 172061^2 + 15307^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1491964589 + ... + 1491964608.

Almost surely, 229839291970 is an apocalyptic number.

29839291970 is a deficient number, since it is larger than the sum of its proper divisors (23871433594).

29839291970 is a wasteful number, since it uses less digits than its factorization.

29839291970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2983929204.

The product of its (nonzero) digits is 4408992, while the sum is 59.

The spelling of 29839291970 in words is "twenty-nine billion, eight hundred thirty-nine million, two hundred ninety-one thousand, nine hundred seventy".

Divisors: 1 2 5 10 2983929197 5967858394 14919645985 29839291970