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144213444040 = 23525311424471
BaseRepresentation
bin1000011001001111001…
…0101000010111001000
3111210020111001000101011
42012103302220113020
54330322120202130
6150130054333304
713263513022501
oct2062362502710
9453214030334
10144213444040
1156184802aa6
1223b4895a234
13107a3797053
146da1063ba8
153b40aa952a
hex2193ca85c8

144213444040 has 32 divisors (see below), whose sum is σ = 324608679360. Its totient is φ = 57662545600.

The previous prime is 144213443977. The next prime is 144213444047. The reversal of 144213444040 is 40444312441.

It is a junction number, because it is equal to n+sod(n) for n = 144213443993 and 144213444011.

It is not an unprimeable number, because it can be changed into a prime (144213444047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610996 + ... + 813475.

It is an arithmetic number, because the mean of its divisors is an integer number (10144021230).

Almost surely, 2144213444040 is an apocalyptic number.

144213444040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144213444040 is an abundant number, since it is smaller than the sum of its proper divisors (180395235320).

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

144213444040 is a wasteful number, since it uses less digits than its factorization.

144213444040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427013 (or 1427009 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 144213444040 its reverse (40444312441), we get a palindrome (184657756481).

The spelling of 144213444040 in words is "one hundred forty-four billion, two hundred thirteen million, four hundred forty-four thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 2531 5062 10124 12655 20248 25310 50620 101240 1424471 2848942 5697884 7122355 11395768 14244710 28489420 56978840 3605336101 7210672202 14421344404 18026680505 28842688808 36053361010 72106722020 144213444040