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74337901889 = 471581657487
BaseRepresentation
bin100010100111011100…
…0100101110101000001
321002212201212200120112
41011032320211311001
52204221000330024
654052251121105
75241106511636
oct1051670456501
9232781780515
1074337901889
1129587897a59
12124a7743195
1370190776c4
143852ba818d
151e0138000e
hex114ee25d41

74337901889 has 4 divisors (see below), whose sum is σ = 75919559424. Its totient is φ = 72756244356.

The previous prime is 74337901861. The next prime is 74337901973. The reversal of 74337901889 is 98810973347.

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, and also an emirpimes, since its reverse is a distinct semiprime: 98810973347 = 293407274943.

It is a cyclic number.

It is not a de Polignac number, because 74337901889 - 28 = 74337901633 is a prime.

It is a super-2 number, since 2×743379018892 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74337901819) 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, 790828697 + ... + 790828790.

It is an arithmetic number, because the mean of its divisors is an integer number (18979889856).

Almost surely, 274337901889 is an apocalyptic number.

It is an amenable number.

74337901889 is a deficient number, since it is larger than the sum of its proper divisors (1581657535).

74337901889 is a wasteful number, since it uses less digits than its factorization.

74337901889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581657534.

The product of its (nonzero) digits is 9144576, while the sum is 59.

The spelling of 74337901889 in words is "seventy-four billion, three hundred thirty-seven million, nine hundred one thousand, eight hundred eighty-nine".

Divisors: 1 47 1581657487 74337901889