Search a number
-
+
29578374144 = 21032112910061
BaseRepresentation
bin11011100011000000…
…100010110000000000
32211100100221002102200
4123203000202300000
5441034030433034
621331011113200
72064660013644
oct334300426000
984310832380
1029578374144
11115a9248310
1258958a2800
132a34c21347
141608454c24
15b81ae2a99
hex6e3022c00

29578374144 has 264 divisors, whose sum is σ = 96393557520. Its totient is φ = 8653209600.

The previous prime is 29578374139. The next prime is 29578374151. The reversal of 29578374144 is 44147387592.

29578374144 is a `hidden beast` number, since 29 + 578 + 3 + 7 + 4 + 1 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (264).

It is a super-3 number, since 3×295783741443 (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2934874 + ... + 2944934.

Almost surely, 229578374144 is an apocalyptic number.

29578374144 is a gapful number since it is divisible by the number (24) 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 29578374144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48196778760).

29578374144 is an abundant number, since it is smaller than the sum of its proper divisors (66815183376).

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

29578374144 is a wasteful number, since it uses less digits than its factorization.

29578374144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10127 (or 10106 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The spelling of 29578374144 in words is "twenty-nine billion, five hundred seventy-eight million, three hundred seventy-four thousand, one hundred forty-four".