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140235050440 = 23527712656593
BaseRepresentation
bin1000001010011010101…
…0010000110111001000
3111101222012222200100001
42002212222100313020
54244200133103230
6144231215452344
713063104155362
oct2024652206710
9441865880301
10140235050440
1154523037001
12232185270b4
13102bb49bcb4
146b04935d32
1539ab6a10ca
hex20a6a90dc8

140235050440 has 32 divisors (see below), whose sum is σ = 316667981880. Its totient is φ = 55891510272.

The previous prime is 140235050437. The next prime is 140235050453. The reversal of 140235050440 is 44050532041.

140235050440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 106081792804 + 34153257636 = 325702^2 + 184806^2 .

It is a junction number, because it is equal to n+sod(n) for n = 140235050399 and 140235050408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6317217 + ... + 6339376.

Almost surely, 2140235050440 is an apocalyptic number.

140235050440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140235050440 is an abundant number, since it is smaller than the sum of its proper divisors (176432931440).

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

140235050440 is a wasteful number, since it uses less digits than its factorization.

140235050440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12656881 (or 12656877 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 140235050440 its reverse (44050532041), we get a palindrome (184285582481).

The spelling of 140235050440 in words is "one hundred forty billion, two hundred thirty-five million, fifty thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 277 554 1108 1385 2216 2770 5540 11080 12656593 25313186 50626372 63282965 101252744 126565930 253131860 506263720 3505876261 7011752522 14023505044 17529381305 28047010088 35058762610 70117525220 140235050440