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22898613388 = 22731101925889
BaseRepresentation
bin10101010100110111…
…010001110010001100
32012002211210002022011
4111110313101302030
5333344021112023
614304112431004
71440310000540
oct252467216214
965084702264
1022898613388
119790741182
124530848464
13220c0814a1
141173259a20
158e048450d
hex554dd1c8c

22898613388 has 48 divisors (see below), whose sum is σ = 47322777600. Its totient is φ = 9487434240.

The previous prime is 22898613379. The next prime is 22898613389. The reversal of 22898613388 is 88331689822.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (22898613389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 871548 + ... + 897436.

It is an arithmetic number, because the mean of its divisors is an integer number (985891200).

Almost surely, 222898613388 is an apocalyptic number.

22898613388 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22898613388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23661388800).

22898613388 is an abundant number, since it is smaller than the sum of its proper divisors (24424164212).

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

22898613388 is a wasteful number, since it uses less digits than its factorization.

22898613388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26950 (or 26948 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 58.

The spelling of 22898613388 in words is "twenty-two billion, eight hundred ninety-eight million, six hundred thirteen thousand, three hundred eighty-eight".

Divisors: 1 2 4 7 14 28 31 62 124 217 434 868 1019 2038 4076 7133 14266 25889 28532 31589 51778 63178 103556 126356 181223 221123 362446 442246 724892 802559 884492 1605118 3210236 5617913 11235826 22471652 26380891 52761782 105523564 184666237 369332474 738664948 817807621 1635615242 3271230484 5724653347 11449306694 22898613388