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6838989100 = 225268389891
BaseRepresentation
bin1100101111010001…
…01011000100101100
3122122121202122100121
412113220223010230
5103001240122400
63050343134324
7331322306506
oct62750530454
918577678317
106838989100
11299a481809
1213aa4443a4
1384cb50318
1448c406d76
152a061221a
hex197a2b12c

6838989100 has 18 divisors (see below), whose sum is σ = 14840606564. Its totient is φ = 2735595600.

The previous prime is 6838989083. The next prime is 6838989107. The reversal of 6838989100 is 19898386.

It is not an unprimeable number, because it can be changed into a prime (6838989107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34194846 + ... + 34195045.

Almost surely, 26838989100 is an apocalyptic number.

It is an amenable number.

6838989100 is an abundant number, since it is smaller than the sum of its proper divisors (8001617464).

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

6838989100 is a wasteful number, since it uses less digits than its factorization.

6838989100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68389905 (or 68389898 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 52.

The square root of 6838989100 is about 82698.1807538715. The cubic root of 6838989100 is about 1898.1504716549.

The spelling of 6838989100 in words is "six billion, eight hundred thirty-eight million, nine hundred eighty-nine thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 68389891 136779782 273559564 341949455 683898910 1367797820 1709747275 3419494550 6838989100