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68271068130374 = 2123513127637177
BaseRepresentation
bin11111000010111100110001…
…10000111010110001000110
322221201122120010021200121202
433201132120300322301012
532422023121420132444
6401111143513142502
720244264466151234
oct1741363060726106
9287648503250552
1068271068130374
111a83166315578a
1277a74826baa32
132c12c1b2abb65
1412c04a18b3954
157d5d4923b34e
hex3e1798c3ac46

68271068130374 has 8 divisors (see below), whose sum is σ = 102406688812488. Its totient is φ = 34135505192880.

The previous prime is 68271068130361. The next prime is 68271068130379. The reversal of 68271068130374 is 47303186017286.

It is a happy number.

68271068130374 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×682710681303742 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68271068130379) 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, 11348327 + ... + 16288850.

It is an arithmetic number, because the mean of its divisors is an integer number (12800836101561).

Almost surely, 268271068130374 is an apocalyptic number.

68271068130374 is a deficient number, since it is larger than the sum of its proper divisors (34135620682114).

68271068130374 is a wasteful number, since it uses less digits than its factorization.

68271068130374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28872310.

The product of its (nonzero) digits is 8128512, while the sum is 56.

The spelling of 68271068130374 in words is "sixty-eight trillion, two hundred seventy-one billion, sixty-eight million, one hundred thirty thousand, three hundred seventy-four".

Divisors: 1 2 1235131 2470262 27637177 55274354 34135534065187 68271068130374