Search a number
-
+
29164988160 = 283257311261
BaseRepresentation
bin11011001010010111…
…100110011100000000
32210021120001220110200
4123022113212130000
5434212214110120
621222002525200
72051510211000
oct331227463400
983246056420
1029164988160
111140696a300
12579b366800
13299a3a3c59
1415a95a8000
15b5a687e90
hex6ca5e6700

29164988160 has 1296 divisors, whose sum is σ = 131467627200. Its totient is φ = 5960908800.

The previous prime is 29164988141. The next prime is 29164988179. The reversal of 29164988160 is 6188946192.

29164988160 is a `hidden beast` number, since 2 + 9 + 16 + 498 + 81 + 60 = 666.

It is an interprime number because it is at equal distance from previous prime (29164988141) and next prime (29164988179).

It is a junction number, because it is equal to n+sod(n) for n = 29164988097 and 29164988106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 478114530 + ... + 478114590.

Almost surely, 229164988160 is an apocalyptic number.

29164988160 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 29164988160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65733813600).

29164988160 is an abundant number, since it is smaller than the sum of its proper divisors (102302639040).

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

29164988160 is a wasteful number, since it uses less digits than its factorization.

29164988160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The spelling of 29164988160 in words is "twenty-nine billion, one hundred sixty-four million, nine hundred eighty-eight thousand, one hundred sixty".