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140110242221 = 412101825241
BaseRepresentation
bin1000001001111100111…
…0001010000110101101
3111101122112010202122102
42002133032022012231
54243421210222341
6144211000424445
713060030260125
oct2023716120655
9441575122572
10140110242221
1154469640814
12231a2778125
131029b680691
146ad2127c85
1539a074ac9b
hex209f38a1ad

140110242221 has 12 divisors (see below), whose sum is σ = 145032980532. Its totient is φ = 135339360000.

The previous prime is 140110242199. The next prime is 140110242241. The reversal of 140110242221 is 122242011041.

It can be written as a sum of positive squares in 6 ways, for example, as 40727679721 + 99382562500 = 201811^2 + 315250^2 .

It is not a de Polignac number, because 140110242221 - 214 = 140110225837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140110242193 and 140110242202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140110242241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242840 + ... + 582401.

It is an arithmetic number, because the mean of its divisors is an integer number (12086081711).

Almost surely, 2140110242221 is an apocalyptic number.

It is an amenable number.

140110242221 is a deficient number, since it is larger than the sum of its proper divisors (4922738311).

140110242221 is an equidigital number, since it uses as much as digits as its factorization.

140110242221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825424 (or 825383 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 140110242221 its reverse (122242011041), we get a palindrome (262352253262).

The spelling of 140110242221 in words is "one hundred forty billion, one hundred ten million, two hundred forty-two thousand, two hundred twenty-one".

Divisors: 1 41 101 1681 4141 169781 825241 33834881 83349341 1387230121 3417322981 140110242221