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27492912912 = 2431873305803
BaseRepresentation
bin11001100110101101…
…001000111100010000
32121222000202200102210
4121212231020330100
5422301141203122
620344032312120
71662204622023
oct314655107420
977860680383
1027492912912
111072903a433
1253b33a2640
132791b53c0a
14148b4b11ba
15aad99d40c
hex666b48f10

27492912912 has 40 divisors (see below), whose sum is σ = 71061510304. Its totient is φ = 9159381504.

The previous prime is 27492912901. The next prime is 27492912917. The reversal of 27492912912 is 21921929472.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (27492912917) 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, 62998 + ... + 242805.

Almost surely, 227492912912 is an apocalyptic number.

It is an amenable number.

27492912912 is an abundant number, since it is smaller than the sum of its proper divisors (43568597392).

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

27492912912 is a wasteful number, since it uses less digits than its factorization.

27492912912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307687 (or 307681 counting only the distinct ones).

The product of its digits is 326592, while the sum is 48.

The spelling of 27492912912 in words is "twenty-seven billion, four hundred ninety-two million, nine hundred twelve thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 1873 3746 5619 7492 11238 14984 22476 29968 44952 89904 305803 611606 917409 1223212 1834818 2446424 3669636 4892848 7339272 14678544 572769019 1145538038 1718307057 2291076076 3436614114 4582152152 6873228228 9164304304 13746456456 27492912912