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27389000073 = 378733233491
BaseRepresentation
bin11001100000100000…
…101111100110001001
32121200210020100211010
4121200200233212021
5422043041000243
620325441154133
71656503442111
oct314040574611
977623210733
1027389000073
1110685416156
12538462b949
132776470426
14147b782041
15aa47c4433
hex66082f989

27389000073 has 16 divisors (see below), whose sum is σ = 36586550016. Its totient is φ = 18225422160.

The previous prime is 27389000057. The next prime is 27389000083. The reversal of 27389000073 is 37000098372.

It is not a de Polignac number, because 27389000073 - 24 = 27389000057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27388999995 and 27389000040.

It is not an unprimeable number, because it can be changed into a prime (27389000053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7843858 + ... + 7847348.

It is an arithmetic number, because the mean of its divisors is an integer number (2286659376).

Almost surely, 227389000073 is an apocalyptic number.

It is an amenable number.

27389000073 is a deficient number, since it is larger than the sum of its proper divisors (9197549943).

27389000073 is a wasteful number, since it uses less digits than its factorization.

27389000073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7604.

The product of its (nonzero) digits is 63504, while the sum is 39.

The spelling of 27389000073 in words is "twenty-seven billion, three hundred eighty-nine million, seventy-three", and thus it is an aban number.

Divisors: 1 3 787 2361 3323 3491 9969 10473 2615201 2747417 7845603 8242251 11600593 34801779 9129666691 27389000073