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8988013449 = 34594993769
BaseRepresentation
bin10000101111011101…
…00011001110001001
3212012101112101120000
420113232203032021
5121401412412244
64043512153213
7435505565562
oct102756431611
925171471500
108988013449
1138a2554598
1218aa098809
13b0314446c
146139b5169
15379110169
hex217ba3389

8988013449 has 40 divisors (see below), whose sum is σ = 13685100000. Its totient is φ = 5877085248.

The previous prime is 8988013429. The next prime is 8988013457. The reversal of 8988013449 is 9443108898.

8988013449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8988013449 - 224 = 8971236233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8988013395 and 8988013404.

It is not an unprimeable number, because it can be changed into a prime (8988013409) 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 39 ways as a sum of consecutive naturals, for example, 2382837 + ... + 2386605.

It is an arithmetic number, because the mean of its divisors is an integer number (342127500).

Almost surely, 28988013449 is an apocalyptic number.

It is an amenable number.

8988013449 is a deficient number, since it is larger than the sum of its proper divisors (4697086551).

8988013449 is a wasteful number, since it uses less digits than its factorization.

8988013449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4339 (or 4330 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The square root of 8988013449 is about 94805.1340856601. The cubic root of 8988013449 is about 2079.1599672017.

The spelling of 8988013449 in words is "eight billion, nine hundred eighty-eight million, thirteen thousand, four hundred forty-nine".

Divisors: 1 3 9 27 59 81 177 499 531 1497 1593 3769 4491 4779 11307 13473 29441 33921 40419 88323 101763 222371 264969 305289 667113 794907 1880731 2001339 2384721 5642193 6004017 16926579 18012051 50779737 110963129 152339211 332889387 998668161 2996004483 8988013449