Search a number
-
+
29393030400 = 2835219197409
BaseRepresentation
bin11011010111111101…
…100000110100000000
32210212110011122121120
4123113331200310000
5440144103433100
621300350352240
72060246431116
oct332775406400
983773148546
1029393030400
1111513665868
1258437bb680
132a056c90a6
1415cb9a9ab6
15b706d10a0
hex6d7f60d00

29393030400 has 432 divisors, whose sum is σ = 102877790400. Its totient is φ = 7369850880.

The previous prime is 29393030357. The next prime is 29393030411. The reversal of 29393030400 is 403039392.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 71865396 + ... + 71865804.

Almost surely, 229393030400 is an apocalyptic number.

29393030400 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 29393030400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51438895200).

29393030400 is an abundant number, since it is smaller than the sum of its proper divisors (73484760000).

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

29393030400 is a wasteful number, since it uses less digits than its factorization.

29393030400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 33.

Adding to 29393030400 its reverse (403039392), we get a palindrome (29796069792).

The spelling of 29393030400 in words is "twenty-nine billion, three hundred ninety-three million, thirty thousand, four hundred".