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6772081984 = 26105813781
BaseRepresentation
bin1100100111010010…
…11100010101000000
3122110221212102001021
412103221130111000
5102332123110414
63035553115224
7326550514153
oct62351342500
918427772037
106772081984
112965733478
12138bb58b14
1383c025505
1448358bc9a
152997e7c24
hex193a5c540

6772081984 has 14 divisors (see below), whose sum is σ = 13438350314. Its totient is φ = 3386040960.

The previous prime is 6772081961. The next prime is 6772081999. The reversal of 6772081984 is 4891802776.

It can be written as a sum of positive squares in only one way, i.e., 6743694400 + 28387584 = 82120^2 + 5328^2 .

It is a super-2 number, since 2×67720819842 = 91722188796034752512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52906827 + ... + 52906954.

Almost surely, 26772081984 is an apocalyptic number.

6772081984 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6772081984 is a deficient number, since it is larger than the sum of its proper divisors (6666268330).

6772081984 is a wasteful number, since it uses less digits than its factorization.

6772081984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105813793 (or 105813783 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 52.

The square root of 6772081984 is about 82292.6605718882. The cubic root of 6772081984 is about 1891.9401876539.

The spelling of 6772081984 in words is "six billion, seven hundred seventy-two million, eighty-one thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 16 32 64 105813781 211627562 423255124 846510248 1693020496 3386040992 6772081984