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7042171677 = 318253128603
BaseRepresentation
bin1101000111011111…
…10000001100011101
3200011210002101110020
412203233300030131
5103410243443202
63122442102353
7336340320522
oct64357601435
920153071406
107042171677
112a941388a2
1214464aa9b9
13882c800b8
144ab3b7149
152b33995bc
hex1a3bf031d

7042171677 has 8 divisors (see below), whose sum is σ = 9390149664. Its totient is φ = 4694487408.

The previous prime is 7042171667. The next prime is 7042171687. The reversal of 7042171677 is 7761712407.

It is an interprime number because it is at equal distance from previous prime (7042171667) and next prime (7042171687).

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

It is not a de Polignac number, because 7042171677 - 28 = 7042171421 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7042171607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9543 + ... + 119060.

It is an arithmetic number, because the mean of its divisors is an integer number (1173768708).

Almost surely, 27042171677 is an apocalyptic number.

It is an amenable number.

7042171677 is a deficient number, since it is larger than the sum of its proper divisors (2347977987).

7042171677 is a wasteful number, since it uses less digits than its factorization.

7042171677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146859.

The product of its (nonzero) digits is 115248, while the sum is 42.

The square root of 7042171677 is about 83917.6481855873. The cubic root of 7042171677 is about 1916.7649948429.

The spelling of 7042171677 in words is "seven billion, forty-two million, one hundred seventy-one thousand, six hundred seventy-seven".

Divisors: 1 3 18253 54759 128603 385809 2347390559 7042171677