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27134644105 = 5234312743207
BaseRepresentation
bin11001010001010110…
…011100111110001001
32121001001121202000201
4121101112130332021
5421032432102410
620244313332201
71650264445402
oct312126347611
977031552021
1027134644105
1110564887808
125313407061
13273586413a
141455a909a9
15a8c2ce83a
hex65159cf89

27134644105 has 32 divisors (see below), whose sum is σ = 35042033664. Its totient is φ = 20120861376.

The previous prime is 27134644037. The next prime is 27134644111. The reversal of 27134644105 is 50144643172.

It is a cyclic number.

It is not a de Polignac number, because 27134644105 - 229 = 26597773193 is a prime.

It is a super-2 number, since 2×271346441052 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 606412 + ... + 649618.

It is an arithmetic number, because the mean of its divisors is an integer number (1095063552).

Almost surely, 227134644105 is an apocalyptic number.

It is an amenable number.

27134644105 is a deficient number, since it is larger than the sum of its proper divisors (7907389559).

27134644105 is a wasteful number, since it uses less digits than its factorization.

27134644105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43405.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 27134644105 in words is "twenty-seven billion, one hundred thirty-four million, six hundred forty-four thousand, one hundred five".

Divisors: 1 5 23 43 115 127 215 635 989 2921 4945 5461 14605 27305 43207 125603 216035 628015 993761 1857901 4968805 5487289 9289505 27436445 42731723 126207647 213658615 235953427 631038235 1179767135 5426928821 27134644105