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140054030221 = 789331967733
BaseRepresentation
bin1000001001101111011…
…1101110011110001101
3111101111121100220021111
42002123313232132031
54243312312431341
6144201231532021
713055445420550
oct2023367563615
9441447326244
10140054030221
115443a937916
122318798a011
131028cb2b941
146ac8894697
15399a845681
hex209bdee78d

140054030221 has 16 divisors (see below), whose sum is σ = 161911353600. Its totient is φ = 118659961728.

The previous prime is 140054030213. The next prime is 140054030293. The reversal of 140054030221 is 122030450041.

It is not a de Polignac number, because 140054030221 - 23 = 140054030213 is a prime.

It is a super-2 number, since 2×1400540302212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140054030192 and 140054030201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140054030521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2033871 + ... + 2101603.

It is an arithmetic number, because the mean of its divisors is an integer number (10119459600).

Almost surely, 2140054030221 is an apocalyptic number.

It is an amenable number.

140054030221 is a deficient number, since it is larger than the sum of its proper divisors (21857323379).

140054030221 is an equidigital number, since it uses as much as digits as its factorization.

140054030221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71148.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 140054030221 its reverse (122030450041), we get a palindrome (262084480262).

The spelling of 140054030221 in words is "one hundred forty billion, fifty-four million, thirty thousand, two hundred twenty-one".

Divisors: 1 7 89 623 3319 23233 67733 295391 474131 2067737 6028237 42197659 224805827 1573640789 20007718603 140054030221