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42144213210 = 23511127709737
BaseRepresentation
bin100111001111111111…
…011010100011011010
311000210002202212001120
4213033333122203122
51142302404310320
631205532430110
73021241621161
oct471777324332
9130702685046
1042144213210
1116967345180
128202018336
133c88380888
14207b2863d8
151169d84440
hex9cffda8da

42144213210 has 32 divisors (see below), whose sum is σ = 110341213632. Its totient is φ = 10216778880.

The previous prime is 42144213191. The next prime is 42144213247. The reversal of 42144213210 is 1231244124.

It is a super-2 number, since 2×421442132102 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63854539 + ... + 63855198.

It is an arithmetic number, because the mean of its divisors is an integer number (3448162926).

Almost surely, 242144213210 is an apocalyptic number.

42144213210 is an abundant number, since it is smaller than the sum of its proper divisors (68197000422).

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

42144213210 is a wasteful number, since it uses less digits than its factorization.

42144213210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127709758.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 42144213210 its reverse (1231244124), we get a palindrome (43375457334).

The spelling of 42144213210 in words is "forty-two billion, one hundred forty-four million, two hundred thirteen thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 127709737 255419474 383129211 638548685 766258422 1277097370 1404807107 1915646055 2809614214 3831292110 4214421321 7024035535 8428842642 14048071070 21072106605 42144213210