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30421013310 = 23253110903589
BaseRepresentation
bin11100010101001110…
…111101001100111110
32220112002111121001200
4130111032331030332
5444300234411220
621550351520330
72124601226622
oct342516751476
986462447050
1030421013310
11119a0961616
125a8bb290a6
132b3a6830bc
14168831d182
15bd0a8d890
hex7153bd33e

30421013310 has 48 divisors (see below), whose sum is σ = 81646081920. Its totient is φ = 7850583360.

The previous prime is 30421013303. The next prime is 30421013351. The reversal of 30421013310 is 1331012403.

It is a super-2 number, since 2×304210133102 (a number of 22 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5449005 + ... + 5454584.

It is an arithmetic number, because the mean of its divisors is an integer number (1700960040).

Almost surely, 230421013310 is an apocalyptic number.

30421013310 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30421013310 is an abundant number, since it is smaller than the sum of its proper divisors (51225068610).

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

30421013310 is a wasteful number, since it uses less digits than its factorization.

30421013310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10903633 (or 10903630 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30421013310 its reverse (1331012403), we get a palindrome (31752025713).

The spelling of 30421013310 in words is "thirty billion, four hundred twenty-one million, thirteen thousand, three hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 31 45 62 90 93 155 186 279 310 465 558 930 1395 2790 10903589 21807178 32710767 54517945 65421534 98132301 109035890 163553835 196264602 327107670 338011259 490661505 676022518 981323010 1014033777 1690056295 2028067554 3042101331 3380112590 5070168885 6084202662 10140337770 15210506655 30421013310