Search a number
-
+
29045850831 = 34599598649
BaseRepresentation
bin11011000011010001…
…001000001011001111
32202222020220002210000
4123003101020023033
5433441214211311
621202105215343
72045532441564
oct330321101317
982866802700
1029045850831
11113556976a8
125767491553
13297b7bc8aa
14159783486b
15b4eea3056
hex6c34482cf

29045850831 has 20 divisors (see below), whose sum is σ = 43461990000. Its totient is φ = 19331541216.

The previous prime is 29045850811. The next prime is 29045850851. The reversal of 29045850831 is 13805854092.

29045850831 is a `hidden beast` number, since 2 + 90 + 4 + 58 + 508 + 3 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (29045850811) and next prime (29045850851).

It is not a de Polignac number, because 29045850831 - 231 = 26898367183 is a prime.

It is a super-2 number, since 2×290458508312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29045850811) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 250806 + ... + 347843.

It is an arithmetic number, because the mean of its divisors is an integer number (2173099500).

Almost surely, 229045850831 is an apocalyptic number.

29045850831 is a deficient number, since it is larger than the sum of its proper divisors (14416139169).

29045850831 is an equidigital number, since it uses as much as digits as its factorization.

29045850831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599260 (or 599251 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 29045850831 in words is "twenty-nine billion, forty-five million, eight hundred fifty thousand, eight hundred thirty-one".

Divisors: 1 3 9 27 81 599 1797 5391 16173 48519 598649 1795947 5387841 16163523 48490569 358590751 1075772253 3227316759 9681950277 29045850831