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74814130391 = 71113137545543
BaseRepresentation
bin100010110101101000…
…1010000100011010111
321011002220222121021012
41011223101100203113
52211204404133031
654211422242435
75255651421140
oct1055321204327
9234086877235
1074814130391
1129801698530
12125bb12641b
137093928810
14389a132ac7
151e2d09eb2b
hex116b4508d7

74814130391 has 32 divisors (see below), whose sum is σ = 101183136768. Its totient is φ = 53419472640.

The previous prime is 74814130387. The next prime is 74814130403. The reversal of 74814130391 is 19303141847.

It is a cyclic number.

It is not a de Polignac number, because 74814130391 - 22 = 74814130387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74814130331) 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 31 ways as a sum of consecutive naturals, for example, 135635 + ... + 409908.

It is an arithmetic number, because the mean of its divisors is an integer number (3161973024).

Almost surely, 274814130391 is an apocalyptic number.

74814130391 is a deficient number, since it is larger than the sum of its proper divisors (26369006377).

74814130391 is a wasteful number, since it uses less digits than its factorization.

74814130391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545711.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 74814130391 in words is "seventy-four billion, eight hundred fourteen million, one hundred thirty thousand, three hundred ninety-one".

Divisors: 1 7 11 13 77 91 137 143 959 1001 1507 1781 10549 12467 19591 137137 545543 3818801 6000973 7092059 42006811 49644413 74739391 78012649 523175737 546088543 822133301 971612083 5754933107 6801284581 10687732913 74814130391