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2142141330 = 235731791163
BaseRepresentation
bin111111110101110…
…0111101110010010
312112021211001110210
41333223213232102
513341342010310
6552321304550
7104040621000
oct17753475622
95467731423
102142141330
119aa20153a
124b9495156
13281a54264
141646d9a70
15c80dd820
hex7fae7b92

2142141330 has 128 divisors (see below), whose sum is σ = 6034176000. Its totient is φ = 486478272.

The previous prime is 2142141329. The next prime is 2142141359. The reversal of 2142141330 is 331412412.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2142141297 and 2142141306.

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, 1841329 + ... + 1842491.

It is an arithmetic number, because the mean of its divisors is an integer number (47142000).

Almost surely, 22142141330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2142141330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3017088000).

2142141330 is an abundant number, since it is smaller than the sum of its proper divisors (3892034670).

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

2142141330 is a wasteful number, since it uses less digits than its factorization.

2142141330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373 (or 1359 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2142141330 is about 46283.2726803108. The cubic root of 2142141330 is about 1289.0884191387.

Adding to 2142141330 its reverse (331412412), we get a palindrome (2473553742).

The spelling of 2142141330 in words is "two billion, one hundred forty-two million, one hundred forty-one thousand, three hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 49 70 98 105 147 179 210 245 294 343 358 490 537 686 735 895 1029 1074 1163 1253 1470 1715 1790 2058 2326 2506 2685 3430 3489 3759 5145 5370 5815 6265 6978 7518 8141 8771 10290 11630 12530 16282 17445 17542 18795 24423 26313 34890 37590 40705 43855 48846 52626 56987 61397 81410 87710 113974 122115 122794 131565 170961 184191 208177 244230 263130 284935 306985 341922 368382 398909 416354 569870 613970 624531 797818 854805 920955 1040885 1196727 1249062 1457239 1709610 1841910 1994545 2081770 2393454 2914478 3122655 3989090 4371717 5983635 6245310 7286195 8743434 10200673 11967270 14572390 20401346 21858585 30602019 43717170 51003365 61204038 71404711 102006730 142809422 153010095 214214133 306020190 357023555 428428266 714047110 1071070665 2142141330