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68951162872738 = 21071791800009473
BaseRepresentation
bin11111010110101111100011…
…00100011110001110100010
3100001010200000002112020012101
433223113301210132032202
533014143440143411423
6402351421003521014
720344362044114536
oct1753276144361642
9301120002466171
1068951162872738
111aa74029985733
127897244b2916a
132c620b3893833
14130537b315bc6
157e88a0a3e7ad
hex3eb5f191e3a2

68951162872738 has 16 divisors (see below), whose sum is σ = 104976552523680. Its totient is φ = 33962578717696.

The previous prime is 68951162872733. The next prime is 68951162872747. The reversal of 68951162872738 is 83727826115986.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (68951162872733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 899966431 + ... + 900043042.

It is an arithmetic number, because the mean of its divisors is an integer number (6561034532730).

Almost surely, 268951162872738 is an apocalyptic number.

68951162872738 is a deficient number, since it is larger than the sum of its proper divisors (36025389650942).

68951162872738 is a wasteful number, since it uses less digits than its factorization.

68951162872738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800009761.

The product of its digits is 487710720, while the sum is 73.

The spelling of 68951162872738 in words is "sixty-eight trillion, nine hundred fifty-one billion, one hundred sixty-two million, eight hundred seventy-two thousand, seven hundred thirty-eight".

Divisors: 1 2 107 179 214 358 19153 38306 1800009473 3600018946 192601013611 322201695667 385202027222 644403391334 34475581436369 68951162872738