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8103322290 = 2357304112689
BaseRepresentation
bin1111000101111111…
…01110001010110010
3202220201211102102210
413202333232022302
5113043422303130
63420030152550
7404544050220
oct74277561262
922821742383
108103322290
113489128a78
1216a1952756
139c1a7ab7b
1456c2c1b10
153266095b0
hex1e2fee2b2

8103322290 has 64 divisors (see below), whose sum is σ = 22235316480. Its totient is φ = 1851432960.

The previous prime is 8103322277. The next prime is 8103322291. The reversal of 8103322290 is 922233018.

It is a happy number.

It is a super-2 number, since 2×81033222902 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (8103322291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 632266 + ... + 644954.

It is an arithmetic number, because the mean of its divisors is an integer number (347426820).

Almost surely, 28103322290 is an apocalyptic number.

8103322290 is an abundant number, since it is smaller than the sum of its proper divisors (14131994190).

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

8103322290 is a wasteful number, since it uses less digits than its factorization.

8103322290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15747.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 8103322290 is about 90018.4552744602. The cubic root of 8103322290 is about 2008.5733868383.

The spelling of 8103322290 in words is "eight billion, one hundred three million, three hundred twenty-two thousand, two hundred ninety".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 3041 6082 9123 12689 15205 18246 21287 25378 30410 38067 42574 45615 63445 63861 76134 88823 91230 106435 126890 127722 177646 190335 212870 266469 319305 380670 444115 532938 638610 888230 1332345 2664690 38587249 77174498 115761747 192936245 231523494 270110743 385872490 540221486 578808735 810332229 1157617470 1350553715 1620664458 2701107430 4051661145 8103322290