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159281451107240 = 2357113141123133053
BaseRepresentation
bin100100001101110110011010…
…010100000000001110101000
3202212222011021012012021011212
4210031312122110000032220
5131334131402440412430
61322432515524412252
745356463562361630
oct4415663224001650
9685864235167155
10159281451107240
114682a97a766a50
1215a4598b847088
136ab523a6b36c7
142b493989756c0
151363421b3bb95
hex90dd9a5003a8

159281451107240 has 512 divisors, whose sum is σ = 472876510740480. Its totient is φ = 46833361920000.

The previous prime is 159281451107221. The next prime is 159281451107249. The reversal of 159281451107240 is 42701154182951.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (159281451107249) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 4818954554 + ... + 4818987606.

It is an arithmetic number, because the mean of its divisors is an integer number (923586935040).

Almost surely, 2159281451107240 is an apocalyptic number.

159281451107240 is a gapful number since it is divisible by the number (10) 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 159281451107240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236438255370240).

159281451107240 is an abundant number, since it is smaller than the sum of its proper divisors (313595059633240).

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

159281451107240 is a wasteful number, since it uses less digits than its factorization.

159281451107240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34385 (or 34381 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 50.

The spelling of 159281451107240 in words is "one hundred fifty-nine trillion, two hundred eighty-one billion, four hundred fifty-one million, one hundred seven thousand, two hundred forty".