Search a number
-
+
16430202220 = 2253596133733
BaseRepresentation
bin11110100110101000…
…01111110101101100
31120102001022202022011
433103110033311230
5232122112432340
611314204131004
71121104262125
oct172324176554
946361282264
1016430202220
116a7146a123
123226536a64
13171ac40863
14b1c15904c
156626730ea
hex3d350fd6c

16430202220 has 48 divisors (see below), whose sum is σ = 34665261120. Its totient is φ = 6541330176.

The previous prime is 16430202193. The next prime is 16430202241. The reversal of 16430202220 is 2220203461.

It is a junction number, because it is equal to n+sod(n) for n = 16430202191 and 16430202200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4399474 + ... + 4403206.

It is an arithmetic number, because the mean of its divisors is an integer number (722192940).

Almost surely, 216430202220 is an apocalyptic number.

16430202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16430202220 is an abundant number, since it is smaller than the sum of its proper divisors (18235058900).

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

16430202220 is a wasteful number, since it uses less digits than its factorization.

16430202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4714 (or 4712 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 16430202220 its reverse (2220203461), we get a palindrome (18650405681).

The spelling of 16430202220 in words is "sixteen billion, four hundred thirty million, two hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 359 613 718 1226 1436 1795 2452 3065 3590 3733 6130 7180 7466 12260 14932 18665 37330 74660 220067 440134 880268 1100335 1340147 2200670 2288329 2680294 4401340 4576658 5360588 6700735 9153316 11441645 13401470 22883290 26802940 45766580 821510111 1643020222 3286040444 4107550555 8215101110 16430202220