Search a number
-
+
29012256000 = 28355371341
BaseRepresentation
bin11011000001010000…
…111110010100000000
32202212220200022100000
4123001100332110000
5433404114143000
621154505200000
72044644051510
oct330120762400
982786608300
1029012256000
1111338731382
125758190000
1329748595b0
1415931ab840
15b4c069000
hex6c143e500

29012256000 has 1728 divisors, whose sum is σ = 136494199296. Its totient is φ = 5971968000.

The previous prime is 29012255983. The next prime is 29012256023. The reversal of 29012256000 is 65221092.

29012256000 is a `hidden beast` number, since 2 + 90 + 12 + 2 + 560 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1728).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 191 ways as a sum of consecutive naturals, for example, 707615980 + ... + 707616020.

Almost surely, 229012256000 is an apocalyptic number.

29012256000 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 29012256000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68247099648).

29012256000 is an abundant number, since it is smaller than the sum of its proper divisors (107481943296).

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

29012256000 is an equidigital number, since it uses as much as digits as its factorization.

29012256000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 29012256000 its reverse (65221092), we get a palindrome (29077477092).

The spelling of 29012256000 in words is "twenty-nine billion, twelve million, two hundred fifty-six thousand".