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67247101441 = 135172853957
BaseRepresentation
bin111110101000001111…
…010101011000000001
320102120120021200222201
4332220033111120001
52100210224221231
650520510433201
74600305634222
oct765017253001
9212516250881
1067247101441
11265792656a3
1211048b02801
136458ccc3b0
14337d173249
151b38acc161
hexfa83d5601

67247101441 has 4 divisors (see below), whose sum is σ = 72419955412. Its totient is φ = 62074247472.

The previous prime is 67247101423. The next prime is 67247101457. The reversal of 67247101441 is 14410174276.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36031632400 + 31215469041 = 189820^2 + 176679^2 .

It is a cyclic number.

It is not a de Polignac number, because 67247101441 - 25 = 67247101409 is a prime.

It is a super-2 number, since 2×672471014412 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67247101441.

It is not an unprimeable number, because it can be changed into a prime (67247141441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2586426966 + ... + 2586426991.

It is an arithmetic number, because the mean of its divisors is an integer number (18104988853).

Almost surely, 267247101441 is an apocalyptic number.

It is an amenable number.

67247101441 is a deficient number, since it is larger than the sum of its proper divisors (5172853971).

67247101441 is a wasteful number, since it uses less digits than its factorization.

67247101441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5172853970.

The product of its (nonzero) digits is 37632, while the sum is 37.

The spelling of 67247101441 in words is "sixty-seven billion, two hundred forty-seven million, one hundred one thousand, four hundred forty-one".

Divisors: 1 13 5172853957 67247101441