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67711052053 = 491137904383
BaseRepresentation
bin111111000011111001…
…001010100100010101
320110202220021211120201
4333003321022210111
52102133012131203
651034522500501
74614641306011
oct770371124425
9213686254521
1067711052053
112679713a657
1211158364731
136501171b98
1433c4a23541
151b646c3e1d
hexfc3e4a915

67711052053 has 4 divisors (see below), whose sum is σ = 67848956928. Its totient is φ = 67573147180.

The previous prime is 67711052041. The next prime is 67711052063. The reversal of 67711052053 is 35025011776.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 67711052053 - 213 = 67711043861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67711052023) 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 3 ways as a sum of consecutive naturals, for example, 68951701 + ... + 68952682.

It is an arithmetic number, because the mean of its divisors is an integer number (16962239232).

Almost surely, 267711052053 is an apocalyptic number.

It is an amenable number.

67711052053 is a deficient number, since it is larger than the sum of its proper divisors (137904875).

67711052053 is a wasteful number, since it uses less digits than its factorization.

67711052053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137904874.

The product of its (nonzero) digits is 44100, while the sum is 37.

The spelling of 67711052053 in words is "sixty-seven billion, seven hundred eleven million, fifty-two thousand, fifty-three".

Divisors: 1 491 137904383 67711052053