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20211130212130 = 251113371217313879
BaseRepresentation
bin1001001100001110001010…
…01111001001111100100010
32122120011110102012112212001
410212013011033021330202
510122114343313242010
6110552510503154214
74154130435144634
oct446070517117442
978504412175761
1020211130212130
116492546113360
12232507674596a
13b37b944bb740
144dc31c626a54
15250b1051ac3a
hex1261c53c9f22

20211130212130 has 128 divisors (see below), whose sum is σ = 43931528686080. Its totient is φ = 6595355197440.

The previous prime is 20211130212127. The next prime is 20211130212223. The reversal of 20211130212130 is 3121203111202.

It is a junction number, because it is equal to n+sod(n) for n = 20211130212098 and 20211130212107.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 64234531 + ... + 64548409.

It is an arithmetic number, because the mean of its divisors is an integer number (343215067860).

Almost surely, 220211130212130 is an apocalyptic number.

20211130212130 is an abundant number, since it is smaller than the sum of its proper divisors (23720398473950).

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

20211130212130 is a wasteful number, since it uses less digits than its factorization.

20211130212130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315164.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 20211130212130 its reverse (3121203111202), we get a palindrome (23332333323332).

The spelling of 20211130212130 in words is "twenty trillion, two hundred eleven billion, one hundred thirty million, two hundred twelve thousand, one hundred thirty".

Divisors: 1 2 5 10 11 13 22 26 37 55 65 74 110 130 143 185 286 370 407 481 715 814 962 1217 1430 2035 2405 2434 4070 4810 5291 6085 10582 12170 13387 15821 26455 26774 31642 45029 52910 66935 79105 90058 133870 158210 174031 225145 313879 348062 450290 495319 585377 627758 870155 990638 1170754 1569395 1740310 2476595 2926885 3138790 3452669 4080427 4953190 5853770 6439147 6905338 8160854 11613523 12878294 17263345 20402135 23227046 32195735 34526690 40804270 44884697 58067615 64391470 89769394 116135230 127748753 150975799 224423485 255497506 301951598 381990743 448846970 638743765 754878995 763981486 1277487530 1509757990 1660733789 1909953715 3321467578 3819907430 4201898173 4965879659 8303668945 8403796346 9931759318 14133657491 16607337890 21009490865 24829398295 28267314982 42018981730 49658796590 54624676249 70668287455 109249352498 141336574910 155470232401 183737547383 273123381245 310940464802 367475094766 546246762490 777351162005 918687736915 1554702324010 1837375473830 2021113021213 4042226042426 10105565106065 20211130212130