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8472918163 = 70229120647
BaseRepresentation
bin1111110010000011…
…00111100010010011
3210212111021211122211
413321001213202103
5114323031340123
63520432012551
7416652421213
oct77101474223
923774254584
108472918163
113658817906
121785691157
13a50505558
145a5410243
15348cb440d
hex1f9067893

8472918163 has 4 divisors (see below), whose sum is σ = 8473109040. Its totient is φ = 8472727288.

The previous prime is 8472918151. The next prime is 8472918199. The reversal of 8472918163 is 3618192748.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8472918163 - 221 = 8470821011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8472918143) 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 3 ways as a sum of consecutive naturals, for example, 9906 + ... + 130552.

It is an arithmetic number, because the mean of its divisors is an integer number (2118277260).

Almost surely, 28472918163 is an apocalyptic number.

8472918163 is a deficient number, since it is larger than the sum of its proper divisors (190877).

8472918163 is a wasteful number, since it uses less digits than its factorization.

8472918163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190876.

The product of its digits is 580608, while the sum is 49.

The square root of 8472918163 is about 92048.4555166462. The cubic root of 8472918163 is about 2038.6578191519.

The spelling of 8472918163 in words is "eight billion, four hundred seventy-two million, nine hundred eighteen thousand, one hundred sixty-three".

Divisors: 1 70229 120647 8472918163