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27191693041 = 192682153359
BaseRepresentation
bin11001010100110000…
…000100111011110001
32121012000222010110021
4121110300010323301
5421142033134131
620254112203441
71651556402002
oct312460047361
977160863407
1027191693041
1110594002497
12532a539581
132744619ac6
14145d4a11a9
15a922ece11
hex654c04ef1

27191693041 has 8 divisors (see below), whose sum is σ = 28624438400. Its totient is φ = 25759108080.

The previous prime is 27191693017. The next prime is 27191693063. The reversal of 27191693041 is 14039619172.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27191693041 - 233 = 18601758449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27191693941) 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, 482920 + ... + 536278.

It is an arithmetic number, because the mean of its divisors is an integer number (3578054800).

Almost surely, 227191693041 is an apocalyptic number.

It is an amenable number.

27191693041 is a deficient number, since it is larger than the sum of its proper divisors (1432745359).

27191693041 is a wasteful number, since it uses less digits than its factorization.

27191693041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80199.

The product of its (nonzero) digits is 81648, while the sum is 43.

The spelling of 27191693041 in words is "twenty-seven billion, one hundred ninety-one million, six hundred ninety-three thousand, forty-one".

Divisors: 1 19 26821 53359 509599 1013821 1431141739 27191693041