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2771685468 = 223276991263
BaseRepresentation
bin1010010100110100…
…1001000001011100
321011011102012200100
42211031021001130
521134022413333
61135010501100
7125453636436
oct24515110134
97134365610
102771685468
1111a25a9352
12654294790
133522c5496
141c4173656
151134e5213
hexa534905c

2771685468 has 18 divisors (see below), whose sum is σ = 7006205024. Its totient is φ = 923895144.

The previous prime is 2771685431. The next prime is 2771685493. The reversal of 2771685468 is 8645861772.

2771685468 is a `hidden beast` number, since 27 + 71 + 6 + 8 + 546 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38495596 + ... + 38495667.

Almost surely, 22771685468 is an apocalyptic number.

It is an amenable number.

2771685468 is an abundant number, since it is smaller than the sum of its proper divisors (4234519556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2771685468 is a wasteful number, since it uses less digits than its factorization.

2771685468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76991273 (or 76991268 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The square root of 2771685468 is about 52646.7992189459. The cubic root of 2771685468 is about 1404.6926659836.

The spelling of 2771685468 in words is "two billion, seven hundred seventy-one million, six hundred eighty-five thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 76991263 153982526 230973789 307965052 461947578 692921367 923895156 1385842734 2771685468