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27406047772 = 2213499507557
BaseRepresentation
bin11001100001100001…
…110001101000011100
32121201222022110212101
4121201201301220130
5422111422012042
620331250414444
71660101363625
oct314141615034
977658273771
1027406047772
1110693aaa364
12538a291424
132779b5bb1c
14147db3ca4c
15aa60406b7
hex661871a1c

27406047772 has 12 divisors (see below), whose sum is σ = 47964231000. Its totient is φ = 13701981776.

The previous prime is 27406047761. The next prime is 27406047793. The reversal of 27406047772 is 27774060472.

It is a super-2 number, since 2×274060477722 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199783 + ... + 307774.

It is an arithmetic number, because the mean of its divisors is an integer number (3997019250).

Almost surely, 227406047772 is an apocalyptic number.

It is an amenable number.

27406047772 is a deficient number, since it is larger than the sum of its proper divisors (20558183228).

27406047772 is a wasteful number, since it uses less digits than its factorization.

27406047772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521060 (or 521058 counting only the distinct ones).

The product of its (nonzero) digits is 921984, while the sum is 46.

The spelling of 27406047772 in words is "twenty-seven billion, four hundred six million, forty-seven thousand, seven hundred seventy-two".

Divisors: 1 2 4 13499 26998 53996 507557 1015114 2030228 6851511943 13703023886 27406047772