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27027479952 = 24341123312659
BaseRepresentation
bin11001001010111101…
…101001110110010000
32120202120222020110000
4121022331221312100
5420323013324302
620225524410000
71644523534434
oct311275516620
976676866400
1027027479952
111050a3427a0
1252a3546900
1327195b27b5
1414457569c4
15a82bb231c
hex64af69d90

27027479952 has 400 divisors, whose sum is σ = 91954114560. Its totient is φ = 7578489600.

The previous prime is 27027479951. The next prime is 27027479957. The reversal of 27027479952 is 25997472072.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (27027479951) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 10163199 + ... + 10165857.

Almost surely, 227027479952 is an apocalyptic number.

27027479952 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27027479952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45977057280).

27027479952 is an abundant number, since it is smaller than the sum of its proper divisors (64926634608).

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

27027479952 is a wasteful number, since it uses less digits than its factorization.

27027479952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2744 (or 2729 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 54.

The spelling of 27027479952 in words is "twenty-seven billion, twenty-seven million, four hundred seventy-nine thousand, nine hundred fifty-two".