Search a number
-
+
1030101213 = 317106319001
BaseRepresentation
bin111101011001100…
…001100011011101
32122210022120012210
4331121201203131
54102201214323
6250114351033
734345500351
oct7531414335
92583276183
101030101213
11489513319
12248b8b479
1313554925b
149ab45461
156067a293
hex3d6618dd

1030101213 has 16 divisors (see below), whose sum is σ = 1455705216. Its totient is φ = 645696000.

The previous prime is 1030101211. The next prime is 1030101221. The reversal of 1030101213 is 3121010301.

It is not a de Polignac number, because 1030101213 - 21 = 1030101211 is a prime.

It is a super-2 number, since 2×10301012132 = 2122217018048142738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030101211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44713 + ... + 63713.

It is an arithmetic number, because the mean of its divisors is an integer number (90981576).

Almost surely, 21030101213 is an apocalyptic number.

It is an amenable number.

1030101213 is a deficient number, since it is larger than the sum of its proper divisors (425604003).

1030101213 is a wasteful number, since it uses less digits than its factorization.

1030101213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20084.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1030101213 is about 32095.1898732505. The cubic root of 1030101213 is about 1009.9347123109.

Adding to 1030101213 its reverse (3121010301), we get a palindrome (4151111514).

The spelling of 1030101213 in words is "one billion, thirty million, one hundred one thousand, two hundred thirteen".

Divisors: 1 3 17 51 1063 3189 18071 19001 54213 57003 323017 969051 20198063 60594189 343367071 1030101213