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27005221152 = 253471328807
BaseRepresentation
bin11001001001101000…
…101111100100100000
32120201001002101010000
4121021220233210200
5420301314034102
620223411340000
71644133410120
oct311150574440
976631071100
1027005221152
11104a881a398
125297bb1600
132714abb200
141442800c80
15a80c6701c
hex649a2f920

27005221152 has 360 divisors, whose sum is σ = 98297914176. Its totient is φ = 7121447424.

The previous prime is 27005221141. The next prime is 27005221153. The reversal of 27005221152 is 25112250072.

27005221152 is a `hidden beast` number, since 27 + 0 + 0 + 522 + 115 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (27005221153) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 3061933 + ... + 3070739.

Almost surely, 227005221152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27005221152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49148957088).

27005221152 is an abundant number, since it is smaller than the sum of its proper divisors (71292693024).

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

27005221152 is a wasteful number, since it uses less digits than its factorization.

27005221152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8862 (or 8832 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The spelling of 27005221152 in words is "twenty-seven billion, five million, two hundred twenty-one thousand, one hundred fifty-two".