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27342775531 = 192815121329
BaseRepresentation
bin11001011101110000…
…011010010011101011
32121120120020220200001
4121131300122103223
5421444222304111
620321110323431
71655402520511
oct313560322353
977516226601
1027342775531
1110661313a55
125371059577
132769a07626
14147558c4b1
15aa06e31c1
hex65dc1a4eb

27342775531 has 8 divisors (see below), whose sum is σ = 28884301200. Its totient is φ = 25811493120.

The previous prime is 27342775513. The next prime is 27342775549. The reversal of 27342775531 is 13557724372.

It is an interprime number because it is at equal distance from previous prime (27342775513) and next prime (27342775549).

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 27342775531 - 223 = 27334386923 is a prime.

It is a super-2 number, since 2×273427755312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27342775501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2555326 + ... + 2566003.

It is an arithmetic number, because the mean of its divisors is an integer number (3610537650).

Almost surely, 227342775531 is an apocalyptic number.

27342775531 is a deficient number, since it is larger than the sum of its proper divisors (1541525669).

27342775531 is a wasteful number, since it uses less digits than its factorization.

27342775531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5121629.

The product of its digits is 1234800, while the sum is 46.

The spelling of 27342775531 in words is "twenty-seven billion, three hundred forty-two million, seven hundred seventy-five thousand, five hundred thirty-one".

Divisors: 1 19 281 5339 5121329 97305251 1439093449 27342775531