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140223230320240 = 2451752790379003
BaseRepresentation
bin11111111000100001000011…
…110101010001111001110000
3200101111012200000110202122201
4133320201003311101321300
5121334404133430221430
61214121355051312544
741351536236511204
oct3770410365217160
9611435600422581
10140223230320240
11407523799a3911
121388825014b754
136031cbc7309a2
14268abaa6d2b04
1511327dc0b88ca
hex7f8843d51e70

140223230320240 has 20 divisors (see below), whose sum is σ = 326019010494744. Its totient is φ = 56089292128064.

The previous prime is 140223230320223. The next prime is 140223230320247. The reversal of 140223230320240 is 42023032322041.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 140223230320199 and 140223230320208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140223230320247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 876395189422 + ... + 876395189581.

Almost surely, 2140223230320240 is an apocalyptic number.

140223230320240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140223230320240 is an abundant number, since it is smaller than the sum of its proper divisors (185795780174504).

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

140223230320240 is a wasteful number, since it uses less digits than its factorization.

140223230320240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752790379016 (or 1752790379010 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 140223230320240 its reverse (42023032322041), we get a palindrome (182246262642281).

The spelling of 140223230320240 in words is "one hundred forty trillion, two hundred twenty-three billion, two hundred thirty million, three hundred twenty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1752790379003 3505580758006 7011161516012 8763951895015 14022323032024 17527903790030 28044646064048 35055807580060 70111615160120 140223230320240