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67993351273 = 1319148134807
BaseRepresentation
bin111111010100101110…
…000011010001101001
320111111120111010022101
4333110232003101221
52103222244220043
651122525253401
74624636643551
oct772456032151
9214446433271
1067993351273
11269215241a1
1211216a04261
1365477b2c43
14341030a161
151b7e38824d
hexfd4b83469

67993351273 has 8 divisors (see below), whose sum is σ = 68092801920. Its totient is φ = 67893975840.

The previous prime is 67993351259. The next prime is 67993351277. The reversal of 67993351273 is 37215339976.

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

It is a cyclic number.

It is not a de Polignac number, because 67993351273 - 213 = 67993343081 is a prime.

It is a super-3 number, since 3×679933512733 (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67993351277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1936036 + ... + 1970842.

It is an arithmetic number, because the mean of its divisors is an integer number (8511600240).

Almost surely, 267993351273 is an apocalyptic number.

It is an amenable number.

67993351273 is a deficient number, since it is larger than the sum of its proper divisors (99450647).

67993351273 is a wasteful number, since it uses less digits than its factorization.

67993351273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37607.

The product of its digits is 6429780, while the sum is 55.

The spelling of 67993351273 in words is "sixty-seven billion, nine hundred ninety-three million, three hundred fifty-one thousand, two hundred seventy-three".

Divisors: 1 1319 1481 34807 1953439 45910433 51549167 67993351273