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67172101313 = 436832287177
BaseRepresentation
bin111110100011110001…
…001110110011000001
320102101100011022011012
4332203301032303001
52100032024220223
650505231130305
74565405304032
oct764361166301
9212340138135
1067172101313
112653a999a19
1211027973995
1364465cca15
14337320ca89
151b32214c78
hexfa3c4ecc1

67172101313 has 8 divisors (see below), whose sum is σ = 68834909088. Its totient is φ = 65513869344.

The previous prime is 67172101273. The next prime is 67172101327. The reversal of 67172101313 is 31310127176.

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 67172101313 - 220 = 67171052737 is a prime.

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 67172101313.

It is not an unprimeable number, because it can be changed into a prime (67172100313) 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, 1114220 + ... + 1172957.

It is an arithmetic number, because the mean of its divisors is an integer number (8604363636).

Almost surely, 267172101313 is an apocalyptic number.

It is an amenable number.

67172101313 is a deficient number, since it is larger than the sum of its proper divisors (1662807775).

67172101313 is a wasteful number, since it uses less digits than its factorization.

67172101313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287903.

The product of its (nonzero) digits is 5292, while the sum is 32.

Adding to 67172101313 its reverse (31310127176), we get a palindrome (98482228489).

The spelling of 67172101313 in words is "sixty-seven billion, one hundred seventy-two million, one hundred one thousand, three hundred thirteen".

Divisors: 1 43 683 29369 2287177 98348611 1562141891 67172101313