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10144042000 = 24538956989
BaseRepresentation
bin10010111001010000…
…11100110000010000
3222011221210201121021
421130220130300100
5131233333321000
64354330005224
7506243635321
oct113450346020
928157721537
1010144042000
114336057994
121b71276814
13c587b1521
146c333a448
153e586211a
hex25ca1cc10

10144042000 has 80 divisors (see below), whose sum is σ = 24804327600. Its totient is φ = 4011955200.

The previous prime is 10144041961. The next prime is 10144042021. The reversal of 10144042000 is 24044101.

It can be written as a sum of positive squares in 8 ways, for example, as 2822159376 + 7321882624 = 53124^2 + 85568^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

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 15 ways as a sum of consecutive naturals, for example, 149506 + ... + 206494.

It is an arithmetic number, because the mean of its divisors is an integer number (310054095).

Almost surely, 210144042000 is an apocalyptic number.

10144042000 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 10144042000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12402163800).

10144042000 is an abundant number, since it is smaller than the sum of its proper divisors (14660285600).

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

10144042000 is an equidigital number, since it uses as much as digits as its factorization.

10144042000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57101 (or 57085 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 10144042000 its reverse (24044101), we get a palindrome (10168086101).

The spelling of 10144042000 in words is "ten billion, one hundred forty-four million, forty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 89 100 125 178 200 250 356 400 445 500 712 890 1000 1424 1780 2000 2225 3560 4450 7120 8900 11125 17800 22250 35600 44500 56989 89000 113978 178000 227956 284945 455912 569890 911824 1139780 1424725 2279560 2849450 4559120 5072021 5698900 7123625 10144042 11397800 14247250 20288084 22795600 25360105 28494500 40576168 50720210 56989000 81152336 101440420 113978000 126800525 202880840 253601050 405761680 507202100 634002625 1014404200 1268005250 2028808400 2536010500 5072021000 10144042000