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211012313130 = 23253763367061
BaseRepresentation
bin1100010010000101010…
…0000110000000101010
3202011122210220011011200
43010201110012000222
511424123123010010
6240534314105030
721150040032123
oct3044124060052
9664583804150
10211012313130
1181542a4a033
1234a8b71b176
1316b8a9681a8
14a2da87904a
155750146cc0
hex312150602a

211012313130 has 48 divisors (see below), whose sum is σ = 563459915304. Its totient is φ = 54749139840.

The previous prime is 211012313117. The next prime is 211012313173. The reversal of 211012313130 is 31313210112.

211012313130 is a `hidden beast` number, since 21 + 101 + 231 + 313 + 0 = 666.

211012313130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 209133350721 + 1878962409 = 457311^2 + 43347^2 .

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 23 ways as a sum of consecutive naturals, for example, 31680201 + ... + 31686860.

Almost surely, 2211012313130 is an apocalyptic number.

211012313130 is an abundant number, since it is smaller than the sum of its proper divisors (352447602174).

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

211012313130 is a wasteful number, since it uses less digits than its factorization.

211012313130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63367111 (or 63367108 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 211012313130 its reverse (31313210112), we get a palindrome (242325523242).

The spelling of 211012313130 in words is "two hundred eleven billion, twelve million, three hundred thirteen thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 37 45 74 90 111 185 222 333 370 555 666 1110 1665 3330 63367061 126734122 190101183 316835305 380202366 570303549 633670610 950505915 1140607098 1901011830 2344581257 2851517745 4689162514 5703035490 7033743771 11722906285 14067487542 21101231313 23445812570 35168718855 42202462626 70337437710 105506156565 211012313130