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8213413208 = 2371121393241
BaseRepresentation
bin1111010011000111…
…01011110101011000
3210012101222121210012
413221203223311120
5113310113210313
63435001541052
7410351601050
oct75143536530
923171877705
108213413208
113535291a00
1217127a4788
13a0b815720
1457cb7c560
15331103da8
hex1e98ebd58

8213413208 has 96 divisors (see below), whose sum is σ = 20833992480. Its totient is φ = 2953843200.

The previous prime is 8213413207. The next prime is 8213413253. The reversal of 8213413208 is 8023143128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8213413207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41468 + ... + 134708.

It is an arithmetic number, because the mean of its divisors is an integer number (217020755).

Almost surely, 28213413208 is an apocalyptic number.

8213413208 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 8213413208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10416996240).

8213413208 is an abundant number, since it is smaller than the sum of its proper divisors (12620579272).

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

8213413208 is a wasteful number, since it uses less digits than its factorization.

8213413208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93289 (or 93274 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 8213413208 is about 90627.8831706887. The cubic root of 8213413208 is about 2017.6285938076.

The spelling of 8213413208 in words is "eight billion, two hundred thirteen million, four hundred thirteen thousand, two hundred eight".

Divisors: 1 2 4 7 8 11 13 14 22 26 28 44 52 56 77 88 91 104 121 143 154 182 242 286 308 364 484 572 616 728 847 968 1001 1144 1573 1694 2002 3146 3388 4004 6292 6776 8008 11011 12584 22022 44044 88088 93241 186482 372964 652687 745928 1025651 1212133 1305374 2051302 2424266 2610748 4102604 4848532 5221496 7179557 8205208 8484931 9697064 11282161 13333463 14359114 16969862 22564322 26666926 28718228 33939724 45128644 53333852 57436456 67879448 78975127 90257288 93334241 106667704 146668093 157950254 186668482 293336186 315900508 373336964 586672372 631801016 746673928 1026676651 1173344744 2053353302 4106706604 8213413208