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27525238668 = 22331913413859
BaseRepresentation
bin11001101000101000…
…011100111110001100
32122001021121000001000
4121220220130332030
5422332430114133
620351145220300
71663046445144
oct315050347614
978037530030
1027525238668
1110745309234
125402191690
132798761695
1414918c7924
15ab1736413
hex668a1cf8c

27525238668 has 48 divisors (see below), whose sum is σ = 75117616000. Its totient is φ = 8692179984.

The previous prime is 27525238667. The next prime is 27525238691. The reversal of 27525238668 is 86683252572.

It is a happy number.

27525238668 is a `hidden beast` number, since 2 + 7 + 5 + 252 + 386 + 6 + 8 = 666.

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 (27525238667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6704878 + ... + 6708981.

Almost surely, 227525238668 is an apocalyptic number.

It is an amenable number.

27525238668 is an abundant number, since it is smaller than the sum of its proper divisors (47592377332).

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

27525238668 is a wasteful number, since it uses less digits than its factorization.

27525238668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13413891 (or 13413883 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 54.

The spelling of 27525238668 in words is "twenty-seven billion, five hundred twenty-five million, two hundred thirty-eight thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 19 27 36 38 54 57 76 108 114 171 228 342 513 684 1026 2052 13413859 26827718 40241577 53655436 80483154 120724731 160966308 241449462 254863321 362174193 482898924 509726642 724348386 764589963 1019453284 1448696772 1529179926 2293769889 3058359852 4587539778 6881309667 9175079556 13762619334 27525238668