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8168479142 = 27157524501
BaseRepresentation
bin1111001101110000…
…10001100110100110
3210002021102201211112
413212320101212212
5113212112313032
63430314505022
7406264632665
oct74670214646
923067381745
108168479142
11351199130a
1216bb735172
13a02412115
14576c02ddc
1532c1ca1b2
hex1e6e119a6

8168479142 has 8 divisors (see below), whose sum is σ = 12425292432. Its totient is φ = 4026715000.

The previous prime is 8168479127. The next prime is 8168479157. The reversal of 8168479142 is 2419748618.

It is an interprime number because it is at equal distance from previous prime (8168479127) and next prime (8168479157).

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

It is a congruent number.

It is an unprimeable number.

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, 28762109 + ... + 28762392.

It is an arithmetic number, because the mean of its divisors is an integer number (1553161554).

Almost surely, 28168479142 is an apocalyptic number.

8168479142 is a deficient number, since it is larger than the sum of its proper divisors (4256813290).

8168479142 is a wasteful number, since it uses less digits than its factorization.

8168479142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57524574.

The product of its digits is 774144, while the sum is 50.

The square root of 8168479142 is about 90379.6389791418. The cubic root of 8168479142 is about 2013.9425059036.

The spelling of 8168479142 in words is "eight billion, one hundred sixty-eight million, four hundred seventy-nine thousand, one hundred forty-two".

Divisors: 1 2 71 142 57524501 115049002 4084239571 8168479142