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27451463044 = 2218353373937
BaseRepresentation
bin11001100100001111…
…000001010110000100
32121212010202210220111
4121210033001112010
5422210033304134
620335552042404
71661162404645
oct314417012604
977763683814
1027451463044
11107076a9545
1253a1533404
1327863a0475
141485ba16cc
15aaa011c64
hex6643c1584

27451463044 has 12 divisors (see below), whose sum is σ = 48042806364. Its totient is φ = 13724946944.

The previous prime is 27451463041. The next prime is 27451463063. The reversal of 27451463044 is 44036415472.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6051284100 + 21400178944 = 77790^2 + 146288^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27451462988 and 27451463006.

It is not an unprimeable number, because it can be changed into a prime (27451463041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113557 + ... + 260380.

It is an arithmetic number, because the mean of its divisors is an integer number (4003567197).

Almost surely, 227451463044 is an apocalyptic number.

It is an amenable number.

27451463044 is a deficient number, since it is larger than the sum of its proper divisors (20591343320).

27451463044 is a wasteful number, since it uses less digits than its factorization.

27451463044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392294 (or 392292 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 40.

The spelling of 27451463044 in words is "twenty-seven billion, four hundred fifty-one million, four hundred sixty-three thousand, forty-four".

Divisors: 1 2 4 18353 36706 73412 373937 747874 1495748 6862865761 13725731522 27451463044