Search a number
-
+
29815064472 = 23313134727329
BaseRepresentation
bin11011110001000111…
…011100011110011000
32211221212022012112010
4123301013130132120
5442030124030342
621410304145520
72103562603134
oct336107343630
984855265463
1029815064472
111170a910256
1259410082a0
132a71c838ab
14162ba683c4
15b9779829c
hex6f11dc798

29815064472 has 64 divisors (see below), whose sum is σ = 75325852800. Its totient is φ = 9833707520.

The previous prime is 29815064437. The next prime is 29815064483. The reversal of 29815064472 is 27446051892.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1077304 + ... + 1104632.

It is an arithmetic number, because the mean of its divisors is an integer number (1176966450).

Almost surely, 229815064472 is an apocalyptic number.

It is an amenable number.

29815064472 is an abundant number, since it is smaller than the sum of its proper divisors (45510788328).

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

29815064472 is a wasteful number, since it uses less digits than its factorization.

29815064472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27816 (or 27812 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 29815064472 in words is "twenty-nine billion, eight hundred fifteen million, sixty-four thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 131 262 347 393 524 694 786 1041 1048 1388 1572 2082 2776 3144 4164 8328 27329 45457 54658 81987 90914 109316 136371 163974 181828 218632 272742 327948 363656 545484 655896 1090968 3580099 7160198 9483163 10740297 14320396 18966326 21480594 28449489 28640792 37932652 42961188 56898978 75865304 85922376 113797956 227595912 1242294353 2484588706 3726883059 4969177412 7453766118 9938354824 14907532236 29815064472