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6671047380 = 2235111184123
BaseRepresentation
bin1100011011010000…
…00001101011010100
3122012220202022121220
412031220001223110
5102130242004010
63021543410340
7324212652504
oct61550015324
918186668556
106671047380
1129136a56a8
1213621539b0
1382410bb1a
14473daba04
152909db970
hex18da01ad4

6671047380 has 24 divisors (see below), whose sum is σ = 18678932832. Its totient is φ = 1778945952.

The previous prime is 6671047379. The next prime is 6671047399. The reversal of 6671047380 is 837401766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55592002 + ... + 55592121.

It is an arithmetic number, because the mean of its divisors is an integer number (778288868).

Almost surely, 26671047380 is an apocalyptic number.

6671047380 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6671047380 is an abundant number, since it is smaller than the sum of its proper divisors (12007885452).

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

6671047380 is a wasteful number, since it uses less digits than its factorization.

6671047380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111184135 (or 111184133 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 6671047380 is about 81676.4799682259. The cubic root of 6671047380 is about 1882.4842084074.

The spelling of 6671047380 in words is "six billion, six hundred seventy-one million, forty-seven thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 111184123 222368246 333552369 444736492 555920615 667104738 1111841230 1334209476 1667761845 2223682460 3335523690 6671047380