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72873493927 = 137069792991
BaseRepresentation
bin100001111011110011…
…0010100010110100111
320222002200100001111121
41003313212110112213
52143221103301202
653251055514411
75156605322653
oct1036746242647
9228080301447
1072873493927
11289a6207643
1212159228a07
136b44867810
1437544cba63
151d67a16537
hex10f79945a7

72873493927 has 8 divisors (see below), whose sum is σ = 78490348160. Its totient is φ = 67258239840.

The previous prime is 72873493919. The next prime is 72873493933. The reversal of 72873493927 is 72939437827.

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

It is a cyclic number.

It is not a de Polignac number, because 72873493927 - 23 = 72873493919 is a prime.

It is a super-2 number, since 2×728734939272 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72873493127) 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, 304599 + ... + 488392.

It is an arithmetic number, because the mean of its divisors is an integer number (9811293520).

Almost surely, 272873493927 is an apocalyptic number.

72873493927 is a deficient number, since it is larger than the sum of its proper divisors (5616854233).

72873493927 is a wasteful number, since it uses less digits than its factorization.

72873493927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800073.

The product of its digits is 32006016, while the sum is 61.

The spelling of 72873493927 in words is "seventy-two billion, eight hundred seventy-three million, four hundred ninety-three thousand, nine hundred twenty-seven".

Divisors: 1 13 7069 91897 792991 10308883 5605653379 72873493927