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74157629071 = 193903033109
BaseRepresentation
bin100010100010000100…
…0111001111010001111
321002102011122212202111
41011010020321322033
52203333323112241
654022331204451
75233460306131
oct1050410717217
9232364585674
1074157629071
11294a5059359
12124572a6727
136cba9095b6
143836c7d051
151de0620c81
hex1144239e8f

74157629071 has 4 divisors (see below), whose sum is σ = 78060662200. Its totient is φ = 70254595944.

The previous prime is 74157629047. The next prime is 74157629081. The reversal of 74157629071 is 17092675147.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17092675147 = 23743159789.

It is a cyclic number.

It is not a de Polignac number, because 74157629071 - 211 = 74157627023 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 (74157629081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1951516536 + ... + 1951516573.

It is an arithmetic number, because the mean of its divisors is an integer number (19515165550).

Almost surely, 274157629071 is an apocalyptic number.

74157629071 is a deficient number, since it is larger than the sum of its proper divisors (3903033129).

74157629071 is a wasteful number, since it uses less digits than its factorization.

74157629071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3903033128.

The product of its (nonzero) digits is 740880, while the sum is 49.

The spelling of 74157629071 in words is "seventy-four billion, one hundred fifty-seven million, six hundred twenty-nine thousand, seventy-one".

Divisors: 1 19 3903033109 74157629071