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74171046061 = 7471372916421
BaseRepresentation
bin100010100010011110…
…0000101100010101101
321002110002220112102001
41011010330011202231
52203400241433221
654023530532301
75234012326540
oct1050474054255
9232402815361
1074171046061
1129501692782
121245b897091
136cc0626548
143838972857
151de18c1391
hex1144f058ad

74171046061 has 16 divisors (see below), whose sum is σ = 86582039040. Its totient is φ = 62214197760.

The previous prime is 74171046041. The next prime is 74171046137. The reversal of 74171046061 is 16064017147.

It is a cyclic number.

It is not a de Polignac number, because 74171046061 - 225 = 74137491629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74171046061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74171046011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4508631 + ... + 4525051.

It is an arithmetic number, because the mean of its divisors is an integer number (5411377440).

Almost surely, 274171046061 is an apocalyptic number.

It is an amenable number.

74171046061 is a deficient number, since it is larger than the sum of its proper divisors (12410992979).

74171046061 is a wasteful number, since it uses less digits than its factorization.

74171046061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30204.

The product of its (nonzero) digits is 28224, while the sum is 37.

The spelling of 74171046061 in words is "seventy-four billion, one hundred seventy-one million, forty-six thousand, sixty-one".

Divisors: 1 7 47 329 13729 16421 96103 114947 645263 771787 4516841 5402509 225443909 1578107363 10595863723 74171046061