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8214224128 = 28117194057
BaseRepresentation
bin1111010011001101…
…10001110100000000
3210012110111211011021
413221212301310000
5113310320133003
63435031155224
7410361516205
oct75146616400
923173454137
108214224128
113535796190
121712b15b14
13a0ba3a866
1457cd0dcac
153312142bd
hex1e99b1d00

8214224128 has 72 divisors (see below), whose sum is σ = 17916232320. Its totient is φ = 3727626240.

The previous prime is 8214224111. The next prime is 8214224149.

8214224128 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 8214224093 and 8214224102.

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, 2022676 + ... + 2026732.

It is an arithmetic number, because the mean of its divisors is an integer number (248836560).

Almost surely, 28214224128 is an apocalyptic number.

8214224128 is a gapful number since it is divisible by the number (88) 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 8214224128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8958116160).

8214224128 is an abundant number, since it is smaller than the sum of its proper divisors (9702008192).

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

8214224128 is a wasteful number, since it uses less digits than its factorization.

8214224128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4803 (or 4789 counting only the distinct ones).

The product of its digits is 16384, while the sum is 34.

The square root of 8214224128 is about 90632.3569593112. The cubic root of 8214224128 is about 2017.6949925749.

The spelling of 8214224128 in words is "eight billion, two hundred fourteen million, two hundred twenty-four thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 128 176 256 352 704 719 1408 1438 2816 2876 4057 5752 7909 8114 11504 15818 16228 23008 31636 32456 44627 46016 63272 64912 89254 92032 126544 129824 178508 184064 253088 259648 357016 506176 519296 714032 1012352 1038592 1428064 2024704 2856128 2916983 5712256 5833966 11424512 11667932 23335864 32086813 46671728 64173626 93343456 128347252 186686912 256694504 373373824 513389008 746747648 1026778016 2053556032 4107112064 8214224128