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27726678112 = 25719231491901
BaseRepresentation
bin11001110100101000…
…111000100001100000
32122120022122012000011
4121310220320201200
5423241012144422
620423142534304
72001043606150
oct316450704140
978508565004
1027726678112
1110838a94711
125459737394
1327cb400c13
1414b0562760
15ac4277077
hex674a38860

27726678112 has 192 divisors, whose sum is σ = 69019776000. Its totient is φ = 10690099200.

The previous prime is 27726678079. The next prime is 27726678149. The reversal of 27726678112 is 21187662772.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14584362 + ... + 14586262.

It is an arithmetic number, because the mean of its divisors is an integer number (359478000).

Almost surely, 227726678112 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 27726678112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34509888000).

27726678112 is an abundant number, since it is smaller than the sum of its proper divisors (41293097888).

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

27726678112 is a wasteful number, since it uses less digits than its factorization.

27726678112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2109 (or 2101 counting only the distinct ones).

The product of its digits is 790272, while the sum is 49.

The spelling of 27726678112 in words is "twenty-seven billion, seven hundred twenty-six million, six hundred seventy-eight thousand, one hundred twelve".