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72825738041 = 710403676863
BaseRepresentation
bin100001111010011000…
…0001001001100111001
320221222100110210202002
41003310300021030321
52143121342104131
653242232150345
75155455362660
oct1036460111471
9227870423662
1072825738041
1128981259971
12121452383b5
136b379b69b4
14374c019dd7
151d637316cb
hex10f4c09339

72825738041 has 4 divisors (see below), whose sum is σ = 83229414912. Its totient is φ = 62422061172.

The previous prime is 72825738023. The next prime is 72825738053. The reversal of 72825738041 is 14083752827.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 72825738041 - 234 = 55645868857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72825738341) 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, 5201838425 + ... + 5201838438.

It is an arithmetic number, because the mean of its divisors is an integer number (20807353728).

Almost surely, 272825738041 is an apocalyptic number.

It is an amenable number.

72825738041 is a deficient number, since it is larger than the sum of its proper divisors (10403676871).

72825738041 is a wasteful number, since it uses less digits than its factorization.

72825738041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10403676870.

The product of its (nonzero) digits is 752640, while the sum is 47.

The spelling of 72825738041 in words is "seventy-two billion, eight hundred twenty-five million, seven hundred thirty-eight thousand, forty-one".

Divisors: 1 7 10403676863 72825738041