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68050179002 = 21317153959681
BaseRepresentation
bin111111011000000110…
…110101001110111010
320111122112102021022002
4333120012311032322
52103331321212002
651132315301002
74626226656221
oct773006651672
9214575367262
1068050179002
1126950608763
1211231a4a762
1365564bc010
143417a9dcb8
151b84361002
hexfd81b53ba

68050179002 has 16 divisors (see below), whose sum is σ = 116393519592. Its totient is φ = 29560258560.

The previous prime is 68050178957. The next prime is 68050179007. The reversal of 68050179002 is 20097105086.

It can be written as a sum of positive squares in 4 ways, for example, as 54554477761 + 13495701241 = 233569^2 + 116171^2 .

It is not an unprimeable number, because it can be changed into a prime (68050179007) 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, 76979399 + ... + 76980282.

Almost surely, 268050179002 is an apocalyptic number.

68050179002 is a deficient number, since it is larger than the sum of its proper divisors (48343340590).

68050179002 is a wasteful number, since it uses less digits than its factorization.

68050179002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153959713.

The product of its (nonzero) digits is 30240, while the sum is 38.

The spelling of 68050179002 in words is "sixty-eight billion, fifty million, one hundred seventy-nine thousand, two".

Divisors: 1 2 13 17 26 34 221 442 153959681 307919362 2001475853 2617314577 4002951706 5234629154 34025089501 68050179002