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68401714338 = 23211713245171
BaseRepresentation
bin111111101101000011…
…110101010010100010
320112120000220010010100
4333231003311102202
52110041314324323
651231234043230
74641025656456
oct775503652242
9215500803110
1068401714338
1127010a91431
121130b719516
1365b1291ca9
14344c64a666
151ba514e943
hexfed0f54a2

68401714338 has 24 divisors (see below), whose sum is σ = 148330321776. Its totient is φ = 22781093400.

The previous prime is 68401714333. The next prime is 68401714343. The reversal of 68401714338 is 83341710486.

68401714338 is a `hidden beast` number, since 6 + 8 + 40 + 171 + 433 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (68401714333) and next prime (68401714343).

It is a junction number, because it is equal to n+sod(n) for n = 68401714293 and 68401714302.

It is not an unprimeable number, because it can be changed into a prime (68401714333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1601508 + ... + 1643663.

It is an arithmetic number, because the mean of its divisors is an integer number (6180430074).

Almost surely, 268401714338 is an apocalyptic number.

68401714338 is an abundant number, since it is smaller than the sum of its proper divisors (79928607438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68401714338 is a wasteful number, since it uses less digits than its factorization.

68401714338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3246350 (or 3246347 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 68401714338 in words is "sixty-eight billion, four hundred one million, seven hundred fourteen thousand, three hundred thirty-eight".

Divisors: 1 2 3 6 9 18 1171 2342 3513 7026 10539 21078 3245171 6490342 9735513 19471026 29206539 58413078 3800095241 7600190482 11400285723 22800571446 34200857169 68401714338