Search a number
-
+
29888077105 = 564323773911
BaseRepresentation
bin11011110101011101…
…111101110100110001
32212010221200122000201
4123311131331310301
5442202321431410
621421433115201
72105440315015
oct336535756461
985127618021
1029888077105
1111748049777
125961558b01
132a84138733
141637632545
15b9ddbb83a
hex6f577dd31

29888077105 has 16 divisors (see below), whose sum is σ = 35945771904. Its totient is φ = 23857130880.

The previous prime is 29888077103. The next prime is 29888077127. The reversal of 29888077105 is 50177088892.

It is not a de Polignac number, because 29888077105 - 21 = 29888077103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29888077103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7640100 + ... + 7644010.

It is an arithmetic number, because the mean of its divisors is an integer number (2246610744).

Almost surely, 229888077105 is an apocalyptic number.

It is an amenable number.

29888077105 is a deficient number, since it is larger than the sum of its proper divisors (6057694799).

29888077105 is a wasteful number, since it uses less digits than its factorization.

29888077105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6936.

The product of its (nonzero) digits is 2257920, while the sum is 55.

The spelling of 29888077105 in words is "twenty-nine billion, eight hundred eighty-eight million, seventy-seven thousand, one hundred five".

Divisors: 1 5 643 2377 3215 3911 11885 19555 1528411 2514773 7642055 9296447 12573865 46482235 5977615421 29888077105