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72484106239 = 179404939141
BaseRepresentation
bin100001110000001100…
…0111010111111111111
320221002112122010000101
41003200120322333333
52141421412344424
653144305541531
75144136510616
oct1034030727777
9227075563011
1072484106239
112881642a936
121206a9448a7
136ab1ca06bc
1437188ca87d
151d4374c344
hex10e063afff

72484106239 has 4 divisors (see below), whose sum is σ = 72889045560. Its totient is φ = 72079166920.

The previous prime is 72484106197. The next prime is 72484106251. The reversal of 72484106239 is 93260148427.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93260148427 = 151617616877.

It is a cyclic number.

It is not a de Polignac number, because 72484106239 - 233 = 63894171647 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 (72484106339) 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, 202469392 + ... + 202469749.

It is an arithmetic number, because the mean of its divisors is an integer number (18222261390).

Almost surely, 272484106239 is an apocalyptic number.

72484106239 is a deficient number, since it is larger than the sum of its proper divisors (404939321).

72484106239 is a wasteful number, since it uses less digits than its factorization.

72484106239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404939320.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 72484106239 in words is "seventy-two billion, four hundred eighty-four million, one hundred six thousand, two hundred thirty-nine".

Divisors: 1 179 404939141 72484106239