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68698004294 = 2155512208797
BaseRepresentation
bin111111111110101110…
…000101101101000110
320120022200102012112102
4333332232011231012
52111143142114134
651320500352102
74651254254543
oct777656055506
9216280365472
1068698004294
1127153261467
12113929a5632
13662a7911aa
143479b35bca
151bc117937e
hexffeb85b46

68698004294 has 8 divisors (see below), whose sum is σ = 103053679488. Its totient is φ = 34346777800.

The previous prime is 68698004293. The next prime is 68698004351. The reversal of 68698004294 is 49240089686.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×686980042943 (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68698004293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1073297 + ... + 1135500.

It is an arithmetic number, because the mean of its divisors is an integer number (12881709936).

Almost surely, 268698004294 is an apocalyptic number.

68698004294 is a deficient number, since it is larger than the sum of its proper divisors (34355675194).

68698004294 is a wasteful number, since it uses less digits than its factorization.

68698004294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224350.

The product of its (nonzero) digits is 5971968, while the sum is 56.

The spelling of 68698004294 in words is "sixty-eight billion, six hundred ninety-eight million, four thousand, two hundred ninety-four".

Divisors: 1 2 15551 31102 2208797 4417594 34349002147 68698004294