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79450212041 = 719473118127
BaseRepresentation
bin100100111111110011…
…0100000011011001001
321121002000120221200222
41021333212200123021
52300203223241131
6100255433435425
75511564442154
oct1117746403311
9247060527628
1079450212041
1130770634272
121349386bb75
137652269cb5
143bb9b42c9b
1521000bd87b
hex127f9a06c9

79450212041 has 8 divisors (see below), whose sum is σ = 80578416384. Its totient is φ = 78322263040.

The previous prime is 79450212029. The next prime is 79450212059. The reversal of 79450212041 is 14021205497.

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 79450212041 - 210 = 79450211017 is a prime.

It is a super-2 number, since 2×794502120412 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79450211992 and 79450212010.

It is not an unprimeable number, because it can be changed into a prime (79450212341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 613520 + ... + 731646.

It is an arithmetic number, because the mean of its divisors is an integer number (10072302048).

Almost surely, 279450212041 is an apocalyptic number.

79450212041 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

79450212041 is a deficient number, since it is larger than the sum of its proper divisors (1128204343).

79450212041 is a wasteful number, since it uses less digits than its factorization.

79450212041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127671.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 79450212041 in words is "seventy-nine billion, four hundred fifty million, two hundred twelve thousand, forty-one".

Divisors: 1 71 9473 118127 672583 8387017 1119017071 79450212041