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244140230040 = 23357290643131
BaseRepresentation
bin1110001101011111100…
…1000100010110011000
3212100011112220200220020
43203113321010112120
512444444344330130
6304053444230440
723432010500220
oct3432771042630
9770145820806
10244140230040
11945a2882363
123b39609b420
131a03a0810a5
14bb604a7080
15653d680e10
hex38d7e44598

244140230040 has 64 divisors (see below), whose sum is σ = 837052220160. Its totient is φ = 55803480960.

The previous prime is 244140230039. The next prime is 244140230041. The reversal of 244140230040 is 40032041442.

It is a happy number.

244140230040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (244140230039) and next prime (244140230041).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244140230041) 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 15 ways as a sum of consecutive naturals, for example, 145320726 + ... + 145322405.

It is an arithmetic number, because the mean of its divisors is an integer number (13078940940).

Almost surely, 2244140230040 is an apocalyptic number.

244140230040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244140230040 is an abundant number, since it is smaller than the sum of its proper divisors (592911990120).

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

244140230040 is a wasteful number, since it uses less digits than its factorization.

244140230040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290643152 (or 290643148 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 244140230040 its reverse (40032041442), we get a palindrome (284172271482).

The spelling of 244140230040 in words is "two hundred forty-four billion, one hundred forty million, two hundred thirty thousand, forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 290643131 581286262 871929393 1162572524 1453215655 1743858786 2034501917 2325145048 2906431310 3487717572 4069003834 4359646965 5812862620 6103505751 6975435144 8138007668 8719293930 10172509585 11625725240 12207011502 16276015336 17438587860 20345019170 24414023004 30517528755 34877175720 40690038340 48828046008 61035057510 81380076680 122070115020 244140230040