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140023122410021 = 1734923600728537
BaseRepresentation
bin11111110101100110101100…
…011110001011101000100101
3200100210002011011010200011112
4133311212230132023220211
5121323114323314110041
61213445422344314405
741331223335365144
oct3765465436135045
9610702134120145
10140023122410021
1140685522229114
1213855504472a05
13601917bc5b716
14268122616175b
15112c4c942adeb
hex7f59ac78ba25

140023122410021 has 8 divisors (see below), whose sum is σ = 148684589789400. Its totient is φ = 131408856488448.

The previous prime is 140023122409993. The next prime is 140023122410063. The reversal of 140023122410021 is 120014221320041.

It can be written as a sum of positive squares in 4 ways, for example, as 30477300390625 + 109545822019396 = 5520625^2 + 10466414^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140023122410021 - 234 = 140005942540837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140023122410081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11800358336 + ... + 11800370201.

It is an arithmetic number, because the mean of its divisors is an integer number (18585573723675).

Almost surely, 2140023122410021 is an apocalyptic number.

It is an amenable number.

140023122410021 is a deficient number, since it is larger than the sum of its proper divisors (8661467379379).

140023122410021 is a wasteful number, since it uses less digits than its factorization.

140023122410021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23600728903.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 140023122410021 its reverse (120014221320041), we get a palindrome (260037343730062).

The spelling of 140023122410021 in words is "one hundred forty trillion, twenty-three billion, one hundred twenty-two million, four hundred ten thousand, twenty-one".

Divisors: 1 17 349 5933 23600728537 401212385129 8236654259413 140023122410021