Search a number
-
+
29109072960 = 26325116431429
BaseRepresentation
bin11011000111000010…
…010011010001000000
32210010122212010020100
4123013002103101000
5434103410313320
621212244242400
72050231015632
oct330702232100
983118763210
1029109072960
11113883493a0
1257846a0400
13298b927336
1415a1db0a52
15b557e0790
hex6c7093440

29109072960 has 336 divisors, whose sum is σ = 109471602240. Its totient is φ = 7040839680.

The previous prime is 29109072913. The next prime is 29109072989. The reversal of 29109072960 is 6927090192.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20369526 + ... + 20370954.

It is an arithmetic number, because the mean of its divisors is an integer number (325808340).

Almost surely, 229109072960 is an apocalyptic number.

29109072960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29109072960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54735801120).

29109072960 is an abundant number, since it is smaller than the sum of its proper divisors (80362529280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29109072960 is a wasteful number, since it uses less digits than its factorization.

29109072960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106 (or 2093 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The spelling of 29109072960 in words is "twenty-nine billion, one hundred nine million, seventy-two thousand, nine hundred sixty".