Search a number
-
+
29414378520 = 233251731227683
BaseRepresentation
bin11011011001001110…
…111100110000011000
32210220221100020201200
4123121032330300120
5440220040103040
621302432114200
72060626043412
oct333116746030
983827306650
1029414378520
1111524716a3a
12584a995960
132a09c62007
1415d07659b2
15b724eb630
hex6d93bcc18

29414378520 has 384 divisors, whose sum is σ = 105099171840. Its totient is φ = 7102402560.

The previous prime is 29414378467. The next prime is 29414378569. The reversal of 29414378520 is 2587341492.

29414378520 is a `hidden beast` number, since 2 + 94 + 1 + 4 + 37 + 8 + 520 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 43066099 + ... + 43066781.

It is an arithmetic number, because the mean of its divisors is an integer number (273695760).

Almost surely, 229414378520 is an apocalyptic number.

29414378520 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 29414378520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52549585920).

29414378520 is an abundant number, since it is smaller than the sum of its proper divisors (75684793320).

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

29414378520 is a wasteful number, since it uses less digits than its factorization.

29414378520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975 (or 968 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 29414378520 in words is "twenty-nine billion, four hundred fourteen million, three hundred seventy-eight thousand, five hundred twenty".