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871272011 = 46311711607
BaseRepresentation
bin110011111011101…
…000111001001011
32020201110012111202
4303323220321023
53241021201021
6222242214415
730406455431
oct6373507113
92221405452
10871272011
114078a0615
1220395440b
1310b67868c
14839dcd51
1551754a0b
hex33ee8e4b

871272011 has 8 divisors (see below), whose sum is σ = 874443264. Its totient is φ = 868107240.

The previous prime is 871272007. The next prime is 871272013. The reversal of 871272011 is 110272178.

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

It is a cyclic number.

It is not a de Polignac number, because 871272011 - 22 = 871272007 is a prime.

It is a super-2 number, since 2×8712720112 = 1518229834303968242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (871272013) 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, 541370 + ... + 542976.

It is an arithmetic number, because the mean of its divisors is an integer number (109305408).

Almost surely, 2871272011 is an apocalyptic number.

871272011 is a deficient number, since it is larger than the sum of its proper divisors (3171253).

871272011 is a wasteful number, since it uses less digits than its factorization.

871272011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3241.

The product of its (nonzero) digits is 1568, while the sum is 29.

The square root of 871272011 is about 29517.3171375720. The cubic root of 871272011 is about 955.1052983681.

The spelling of 871272011 in words is "eight hundred seventy-one million, two hundred seventy-two thousand, eleven".

Divisors: 1 463 1171 1607 542173 744041 1881797 871272011