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244000023040 = 29595312509
BaseRepresentation
bin1110001100111110001…
…0001110001000000000
3212022210210002110001101
43203033202032020000
512444203001214130
6304031515144144
723425355655364
oct3431742161000
9768723073041
10244000023040
1194530719804
123b357145054
131a017000777
14bb49a0b2a4
1565311d81ca
hex38cf88e200

244000023040 has 40 divisors (see below), whose sum is σ = 585028186380. Its totient is φ = 97600008192.

The previous prime is 244000023023. The next prime is 244000023041. The reversal of 244000023040 is 40320000442.

It can be written as a sum of positive squares in 2 ways, for example, as 241607639296 + 2392383744 = 491536^2 + 48912^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×2440000230402 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 244000022999 and 244000023017.

It is not an unprimeable number, because it can be changed into a prime (244000023041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47653695 + ... + 47658814.

Almost surely, 2244000023040 is an apocalyptic number.

244000023040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244000023040 is an abundant number, since it is smaller than the sum of its proper divisors (341028163340).

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

244000023040 is an frugal number, since it uses more digits than its factorization.

244000023040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95312532 (or 95312516 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

Adding to 244000023040 its reverse (40320000442), we get a palindrome (284320023482).

The spelling of 244000023040 in words is "two hundred forty-four billion, twenty-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1280 2560 95312509 190625018 381250036 476562545 762500072 953125090 1525000144 1906250180 3050000288 3812500360 6100000576 7625000720 12200001152 15250001440 24400002304 30500002880 48800004608 61000005760 122000011520 244000023040