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6885392920 = 235724590689
BaseRepresentation
bin1100110100110011…
…01100001000011000
3122202212002012102121
412122121230020120
5103100130033140
63055121511024
7332424605560
oct63231541030
918685065377
106885392920
112a1369667a
121401aa2474
138596498c3
14494645da0
152a472b64a
hex19a66c218

6885392920 has 32 divisors (see below), whose sum is σ = 17705296800. Its totient is φ = 2360706048.

The previous prime is 6885392893. The next prime is 6885392963. The reversal of 6885392920 is 292935886.

It is a happy number.

It is a super-2 number, since 2×68853929202 = 94817271325572252800, 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 in 7 ways as a sum of consecutive naturals, for example, 12295065 + ... + 12295624.

It is an arithmetic number, because the mean of its divisors is an integer number (553290525).

Almost surely, 26885392920 is an apocalyptic number.

It is an amenable number.

6885392920 is an abundant number, since it is smaller than the sum of its proper divisors (10819903880).

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

6885392920 is a wasteful number, since it uses less digits than its factorization.

6885392920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24590707 (or 24590703 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 52.

The square root of 6885392920 is about 82978.2677572869. The cubic root of 6885392920 is about 1902.4339002328.

The spelling of 6885392920 in words is "six billion, eight hundred eighty-five million, three hundred ninety-two thousand, nine hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 24590689 49181378 98362756 122953445 172134823 196725512 245906890 344269646 491813780 688539292 860674115 983627560 1377078584 1721348230 3442696460 6885392920