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20122430210 = 2523712714547
BaseRepresentation
bin10010101111011000…
…111110101100000010
31220221100220100220222
4102233120332230002
5312202320231320
613124421303042
71311436556201
oct225730765402
956840810828
1020122430210
118596650713
123a96b64a82
131b88b72a4c
14d8c675238
157cb8a1825
hex4af63eb02

20122430210 has 64 divisors (see below), whose sum is σ = 38477389824. Its totient is φ = 7560907200.

The previous prime is 20122430203. The next prime is 20122430213. The reversal of 20122430210 is 1203422102.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20122430213) 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, 4423157 + ... + 4427703.

It is an arithmetic number, because the mean of its divisors is an integer number (601209216).

Almost surely, 220122430210 is an apocalyptic number.

20122430210 is a deficient number, since it is larger than the sum of its proper divisors (18354959614).

20122430210 is a wasteful number, since it uses less digits than its factorization.

20122430210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4919.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20122430210 its reverse (1203422102), we get a palindrome (21325852312).

The spelling of 20122430210 in words is "twenty billion, one hundred twenty-two million, four hundred thirty thousand, two hundred ten".

Divisors: 1 2 5 10 23 46 71 115 142 230 271 355 542 710 1355 1633 2710 3266 4547 6233 8165 9094 12466 16330 19241 22735 31165 38482 45470 62330 96205 104581 192410 209162 322837 442543 522905 645674 885086 1045810 1232237 1614185 2212715 2464474 3228370 4425430 6161185 7425251 12322370 14850502 28341451 37126255 56682902 74252510 87488827 141707255 174977654 283414510 437444135 874888270 2012243021 4024486042 10061215105 20122430210