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244142343140 = 22512207117157
BaseRepresentation
bin1110001101100000000…
…1001000001111100100
3212100011200220001112012
43203120001020033210
513000000414440030
6304054001413352
723432034450653
oct3433001101744
9770150801465
10244142343140
11945a3a95a23
123b39693a258
131a03a640b47
14bb6089719a
15653d94c095
hex38d80483e4

244142343140 has 12 divisors (see below), whose sum is σ = 512698920636. Its totient is φ = 97656937248.

The previous prime is 244142343139. The next prime is 244142343157. The reversal of 244142343140 is 41343241442.

It can be written as a sum of positive squares in 2 ways, for example, as 45711295204 + 198431047936 = 213802^2 + 445456^2 .

It is a junction number, because it is equal to n+sod(n) for n = 244142343097 and 244142343106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6103558559 + ... + 6103558598.

It is an arithmetic number, because the mean of its divisors is an integer number (42724910053).

Almost surely, 2244142343140 is an apocalyptic number.

244142343140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244142343140 is an abundant number, since it is smaller than the sum of its proper divisors (268556577496).

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

244142343140 is a wasteful number, since it uses less digits than its factorization.

244142343140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12207117166 (or 12207117164 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 244142343140 its reverse (41343241442), we get a palindrome (285485584582).

The spelling of 244142343140 in words is "two hundred forty-four billion, one hundred forty-two million, three hundred forty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 12207117157 24414234314 48828468628 61035585785 122071171570 244142343140