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30310203210 = 2357178490253
BaseRepresentation
bin11100001110101000…
…001111111101001010
32220020100222212011220
4130032220033331022
5444033403000320
621531352502510
72122054322250
oct341650177512
986210885156
1030310203210
1111944357321
125a5a9aaa36
132b207260b1
1416777165d0
15bc5ea0e40
hex70ea0ff4a

30310203210 has 64 divisors (see below), whose sum is σ = 88026953472. Its totient is φ = 6520513536.

The previous prime is 30310203179. The next prime is 30310203239. The reversal of 30310203210 is 1230201303.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30310203210.

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 31 ways as a sum of consecutive naturals, for example, 4241557 + ... + 4248696.

It is an arithmetic number, because the mean of its divisors is an integer number (1375421148).

Almost surely, 230310203210 is an apocalyptic number.

30310203210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30310203210 is an abundant number, since it is smaller than the sum of its proper divisors (57716750262).

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

30310203210 is a wasteful number, since it uses less digits than its factorization.

30310203210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8490287.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 30310203210 its reverse (1230201303), we get a palindrome (31540404513).

The spelling of 30310203210 in words is "thirty billion, three hundred ten million, two hundred three thousand, two hundred ten".

Divisors: 1 2 3 5 6 7 10 14 15 17 21 30 34 35 42 51 70 85 102 105 119 170 210 238 255 357 510 595 714 1190 1785 3570 8490253 16980506 25470759 42451265 50941518 59431771 84902530 118863542 127353795 144334301 178295313 254707590 288668602 297158855 356590626 433002903 594317710 721671505 866005806 891476565 1010340107 1443343010 1782953130 2020680214 2165014515 3031020321 4330029030 5051700535 6062040642 10103401070 15155101605 30310203210