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68445628702 = 2113111164941
BaseRepresentation
bin111111101111101011…
…010110100100011110
320112200002112012022021
4333233223112210132
52110134040104302
651235443210354
74642101146623
oct775753264436
9215602465267
1068445628702
11270338559a0
12113223769ba
1365ba3c9419
1434543dc34a
151ba8e26437
hexfefad691e

68445628702 has 8 divisors (see below), whose sum is σ = 112001937912. Its totient is φ = 31111649400.

The previous prime is 68445628651. The next prime is 68445628703. The reversal of 68445628702 is 20782654486.

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

It is a self number, because there is not a number n which added to its sum of digits gives 68445628702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68445628703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1555582449 + ... + 1555582492.

It is an arithmetic number, because the mean of its divisors is an integer number (14000242239).

Almost surely, 268445628702 is an apocalyptic number.

68445628702 is a deficient number, since it is larger than the sum of its proper divisors (43556309210).

68445628702 is a wasteful number, since it uses less digits than its factorization.

68445628702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3111164954.

The product of its (nonzero) digits is 5160960, while the sum is 52.

The spelling of 68445628702 in words is "sixty-eight billion, four hundred forty-five million, six hundred twenty-eight thousand, seven hundred two".

Divisors: 1 2 11 22 3111164941 6222329882 34222814351 68445628702