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144240421330 = 2571271974717
BaseRepresentation
bin1000011001010101100…
…1100010100111010010
3111210022100210121021001
42012111121202213102
54330401021440310
6150132500452214
713264261231465
oct2062531424722
9453270717231
10144240421330
1156198a59485
1223b559aa06a
13107a9251245
146da48872dc
153b4313793a
hex21956629d2

144240421330 has 32 divisors (see below), whose sum is σ = 263389916160. Its totient is φ = 56861864640.

The previous prime is 144240421319. The next prime is 144240421393. The reversal of 144240421330 is 33124042441.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1893132 + ... + 1967848.

It is an arithmetic number, because the mean of its divisors is an integer number (8230934880).

Almost surely, 2144240421330 is an apocalyptic number.

144240421330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144240421330 is a deficient number, since it is larger than the sum of its proper divisors (119149494830).

144240421330 is a wasteful number, since it uses less digits than its factorization.

144240421330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77514.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 144240421330 its reverse (33124042441), we get a palindrome (177364463771).

The spelling of 144240421330 in words is "one hundred forty-four billion, two hundred forty million, four hundred twenty-one thousand, three hundred thirty".

Divisors: 1 2 5 10 71 142 355 710 2719 5438 13595 27190 74717 149434 193049 373585 386098 747170 965245 1930490 5304907 10609814 26524535 53049070 203155523 406311046 1015777615 2031555230 14424042133 28848084266 72120210665 144240421330