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7042147617 = 37872982697
BaseRepresentation
bin1101000111011111…
…01010010100100001
3200011210001011110010
412203233222110201
5103410242210432
63122441355133
7336340160421
oct64357522441
920153034403
107042147617
112a9412180a
121446498aa9
13882c7216b
144ab3ac481
152b33923cc
hex1a3bea521

7042147617 has 8 divisors (see below), whose sum is σ = 9401464096. Its totient is φ = 4688798112.

The previous prime is 7042147601. The next prime is 7042147621. The reversal of 7042147617 is 7167412407.

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

It is not a de Polignac number, because 7042147617 - 24 = 7042147601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7042147657) 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 7 ways as a sum of consecutive naturals, for example, 1488988 + ... + 1493709.

It is an arithmetic number, because the mean of its divisors is an integer number (1175183012).

Almost surely, 27042147617 is an apocalyptic number.

It is an amenable number.

7042147617 is a deficient number, since it is larger than the sum of its proper divisors (2359316479).

7042147617 is a wasteful number, since it uses less digits than its factorization.

7042147617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2983487.

The product of its (nonzero) digits is 65856, while the sum is 39.

The square root of 7042147617 is about 83917.5048306371. The cubic root of 7042147617 is about 1916.7628119264.

The spelling of 7042147617 in words is "seven billion, forty-two million, one hundred forty-seven thousand, six hundred seventeen".

Divisors: 1 3 787 2361 2982697 8948091 2347382539 7042147617