Search a number
-
+
210302130312 = 233223357125053
BaseRepresentation
bin1100001111011011111…
…0111101100010001000
3202002211022120010111100
43003312332331202020
511421144321132222
6240340024301400
721123324420231
oct3036676754210
9662738503440
10210302130312
118120908518a
1234911911860
1316aa67a1c81
14a270410088
15570cb124ac
hex30f6fbd888

210302130312 has 48 divisors (see below), whose sum is σ = 569597209740. Its totient is φ = 70097148288.

The previous prime is 210302130307. The next prime is 210302130329. The reversal of 210302130312 is 213031203012.

210302130312 is a `hidden beast` number, since 21 + 0 + 302 + 1 + 30 + 312 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 210070055556 + 232074756 = 458334^2 + 15234^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1619178 + ... + 1744230.

Almost surely, 2210302130312 is an apocalyptic number.

It is an amenable number.

210302130312 is an abundant number, since it is smaller than the sum of its proper divisors (359295079428).

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

210302130312 is a wasteful number, since it uses less digits than its factorization.

210302130312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148422 (or 148415 counting only the distinct ones).

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

Adding to 210302130312 its reverse (213031203012), we get a palindrome (423333333324).

The spelling of 210302130312 in words is "two hundred ten billion, three hundred two million, one hundred thirty thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 23357 46714 70071 93428 125053 140142 186856 210213 250106 280284 375159 420426 500212 560568 750318 840852 1000424 1125477 1500636 1681704 2250954 3001272 4501908 9003816 2920862921 5841725842 8762588763 11683451684 17525177526 23366903368 26287766289 35050355052 52575532578 70100710104 105151065156 210302130312