Search a number
-
+
212031030310 = 25111927554821
BaseRepresentation
bin1100010101111000001…
…0001100010000100110
3202021021210210100102121
43011132002030100212
511433214420432220
6241223344500154
721214220010061
oct3053602142046
9667253710377
10212031030310
1181a15a97360
123511491a65a
1316cc0a29918
14a395c998d8
1557ae7c3eaa
hex315e08c426

212031030310 has 16 divisors (see below), whose sum is σ = 416351841552. Its totient is φ = 77102192800.

The previous prime is 212031030307. The next prime is 212031030317. The reversal of 212031030310 is 13030130212.

212031030310 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2120310303102 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212031030317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 963777301 + ... + 963777520.

It is an arithmetic number, because the mean of its divisors is an integer number (26021990097).

Almost surely, 2212031030310 is an apocalyptic number.

212031030310 is a deficient number, since it is larger than the sum of its proper divisors (204320811242).

212031030310 is a wasteful number, since it uses less digits than its factorization.

212031030310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1927554839.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 212031030310 its reverse (13030130212), we get a palindrome (225061160522).

The spelling of 212031030310 in words is "two hundred twelve billion, thirty-one million, thirty thousand, three hundred ten".

Divisors: 1 2 5 10 11 22 55 110 1927554821 3855109642 9637774105 19275548210 21203103031 42406206062 106015515155 212031030310