Search a number
-
+
29281559324160 = 2935111324150023
BaseRepresentation
bin1101010100001101001001…
…11100010010011000000000
310211200021211012210222010010
412222012210330102120000
512314222113141333120
6142135432422104520
76111344223404313
oct652064474223000
9124607735728103
1029281559324160
11936a26a9627a0
12334ab66b7b140
13134531568b100
14733340d0697a
1535ba31d1c7e0
hex1aa1a4f12600

29281559324160 has 960 divisors, whose sum is σ = 113278350721536. Its totient is φ = 6392571494400.

The previous prime is 29281559324113. The next prime is 29281559324161. The reversal of 29281559324160 is 6142395518292.

It is a tau number, because it is divible by the number of its divisors (960).

It is a self number, because there is not a number n which added to its sum of digits gives 29281559324160.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29281559324161) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 585336909 + ... + 585386931.

Almost surely, 229281559324160 is an apocalyptic number.

29281559324160 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 29281559324160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56639175360768).

29281559324160 is an abundant number, since it is smaller than the sum of its proper divisors (83996791397376).

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

29281559324160 is a wasteful number, since it uses less digits than its factorization.

29281559324160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50127 (or 50098 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 57.

The spelling of 29281559324160 in words is "twenty-nine trillion, two hundred eighty-one billion, five hundred fifty-nine million, three hundred twenty-four thousand, one hundred sixty".