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2123030322 = 2327191914643
BaseRepresentation
bin111111010001010…
…1101111100110010
312110221212010002200
41332202231330302
513321443432242
6550355524030
7103416313530
oct17642557462
95427763080
102123030322
1199a439116
124b2bb9616
1327aac267a
14161d63150
15c65b604c
hex7e8adf32

2123030322 has 96 divisors (see below), whose sum is σ = 5563883520. Its totient is φ = 571523040.

The previous prime is 2123030317. The next prime is 2123030383. The reversal of 2123030322 is 2230303212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2123030295 and 2123030304.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 454933 + ... + 459575.

It is an arithmetic number, because the mean of its divisors is an integer number (57957120).

Almost surely, 22123030322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2123030322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2781941760).

2123030322 is an abundant number, since it is smaller than the sum of its proper divisors (3440853198).

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

2123030322 is a wasteful number, since it uses less digits than its factorization.

2123030322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4868 (or 4865 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2123030322 is about 46076.3531760056. The cubic root of 2123030322 is about 1285.2434492592.

Adding to 2123030322 its reverse (2230303212), we get a palindrome (4353333534).

The spelling of 2123030322 in words is "two billion, one hundred twenty-three million, thirty thousand, three hundred twenty-two".

Divisors: 1 2 3 6 7 9 14 18 19 21 38 42 57 63 114 126 133 171 191 266 342 382 399 573 798 1146 1197 1337 1719 2394 2674 3438 3629 4011 4643 7258 8022 9286 10887 12033 13929 21774 24066 25403 27858 32501 32661 41787 50806 65002 65322 76209 83574 88217 97503 152418 176434 195006 228627 264651 292509 457254 529302 585018 617519 793953 886813 1235038 1587906 1773626 1852557 2660439 3705114 5320878 5557671 6207691 7981317 11115342 12415382 15962634 16849447 18623073 33698894 37246146 50548341 55869219 101096682 111738438 117946129 151645023 235892258 303290046 353838387 707676774 1061515161 2123030322