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27212164470 = 2325302357383
BaseRepresentation
bin11001010101111110…
…001010110101110110
32121020110111011222100
4121111332022311312
5421212303230340
620300123042530
71652225403321
oct312576126566
977213434870
1027212164470
11105a4614a27
125335370446
13274893698a
1414620ad7b8
15a93ee3830
hex655f8ad76

27212164470 has 24 divisors (see below), whose sum is σ = 70751627856. Its totient is φ = 7256577168.

The previous prime is 27212164457. The next prime is 27212164519. The reversal of 27212164470 is 7446121272.

27212164470 is a `hidden beast` number, since 2 + 7 + 2 + 1 + 2 + 1 + 644 + 7 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151178602 + ... + 151178781.

It is an arithmetic number, because the mean of its divisors is an integer number (2947984494).

Almost surely, 227212164470 is an apocalyptic number.

27212164470 is an abundant number, since it is smaller than the sum of its proper divisors (43539463386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27212164470 is a wasteful number, since it uses less digits than its factorization.

27212164470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302357396 (or 302357393 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The spelling of 27212164470 in words is "twenty-seven billion, two hundred twelve million, one hundred sixty-four thousand, four hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 302357383 604714766 907072149 1511786915 1814144298 2721216447 3023573830 4535360745 5442432894 9070721490 13606082235 27212164470