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68574492014 = 27191245910429
BaseRepresentation
bin111111110111010110…
…111011010101101110
320120000002000010112112
4333313112323111232
52110420032221024
651300325204022
74645224364460
oct776726732556
9216002003475
1068574492014
112709a5708a6
1211359560612
13660b0076c2
143467584130
151bb53cd00e
hexff75bb56e

68574492014 has 32 divisors (see below), whose sum is σ = 118231142400. Its totient is φ = 29220507360.

The previous prime is 68574491933. The next prime is 68574492023. The reversal of 68574492014 is 41029447586.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6570152 + ... + 6580580.

It is an arithmetic number, because the mean of its divisors is an integer number (3694723200).

Almost surely, 268574492014 is an apocalyptic number.

68574492014 is a deficient number, since it is larger than the sum of its proper divisors (49656650386).

68574492014 is a wasteful number, since it uses less digits than its factorization.

68574492014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13088.

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 68574492014 in words is "sixty-eight billion, five hundred seventy-four million, four hundred ninety-two thousand, fourteen".

Divisors: 1 2 7 14 191 382 1337 2459 2674 4918 10429 17213 20858 34426 73003 146006 469669 939338 1991939 3287683 3983878 6575366 13943573 25644911 27887146 51289822 179514377 359028754 4898178001 9796356002 34287246007 68574492014