Search a number
-
+
29381269018 = 2431213281651
BaseRepresentation
bin11011010111010000…
…101001011000011010
32210211122001010000211
4123113100221120122
5440133101102033
621255250321334
72060044444303
oct332720513032
983748033024
1029381269018
1111507a62312
12583b88924a
132a0313b8aa
1415ca1c77aa
15b6e65b2cd
hex6d742961a

29381269018 has 16 divisors (see below), whose sum is σ = 45134169696. Its totient is φ = 14337111600.

The previous prime is 29381269009. The next prime is 29381269067. The reversal of 29381269018 is 81096218392.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 36508 + ... + 245143.

It is an arithmetic number, because the mean of its divisors is an integer number (2820885606).

Almost surely, 229381269018 is an apocalyptic number.

29381269018 is a deficient number, since it is larger than the sum of its proper divisors (15752900678).

29381269018 is a wasteful number, since it uses less digits than its factorization.

29381269018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282909.

The product of its (nonzero) digits is 373248, while the sum is 49.

The spelling of 29381269018 in words is "twenty-nine billion, three hundred eighty-one million, two hundred sixty-nine thousand, eighteen".

Divisors: 1 2 43 86 1213 2426 52159 104318 281651 563302 12110993 24221986 341642663 683285326 14690634509 29381269018