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74148080686 = 2473881203249
BaseRepresentation
bin100010100001110010…
…0011110110000101110
321002101111200202211121
41011003210132300232
52203323402040221
654021350411154
75233313200231
oct1050344366056
9232344622747
1074148080686
112949a727529
1212454060aba
136cb8945474
1438358b5418
151dde886a41
hex114391ec2e

74148080686 has 16 divisors (see below), whose sum is σ = 113618376000. Its totient is φ = 36275703040.

The previous prime is 74148080683. The next prime is 74148080687. The reversal of 74148080686 is 68608084147.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74148080681) 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 7 ways as a sum of consecutive naturals, for example, 263190 + ... + 466438.

It is an arithmetic number, because the mean of its divisors is an integer number (7101148500).

Almost surely, 274148080686 is an apocalyptic number.

74148080686 is a deficient number, since it is larger than the sum of its proper divisors (39470295314).

74148080686 is a wasteful number, since it uses less digits than its factorization.

74148080686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207179.

The product of its (nonzero) digits is 2064384, while the sum is 52.

The spelling of 74148080686 in words is "seventy-four billion, one hundred forty-eight million, eighty thousand, six hundred eighty-six".

Divisors: 1 2 47 94 3881 7762 182407 203249 364814 406498 9552703 19105406 788809369 1577618738 37074040343 74148080686