Search a number
-
+
1012010211 = 32139808961
BaseRepresentation
bin111100010100100…
…000110011100011
32121112021110000200
4330110200303203
54033033311321
6244230520243
734035642042
oct7424406343
92545243020
101012010211
1147a287283
12242b06083
13131883a14
1498596559
155dca4d26
hex3c520ce3

1012010211 has 12 divisors (see below), whose sum is σ = 1472310840. Its totient is φ = 669818880.

The previous prime is 1012010201. The next prime is 1012010213. The reversal of 1012010211 is 1120102101.

It is a happy number.

It is not a de Polignac number, because 1012010211 - 211 = 1012008163 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1012010193 and 1012010202.

It is not an unprimeable number, because it can be changed into a prime (1012010213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 403230 + ... + 405731.

It is an arithmetic number, because the mean of its divisors is an integer number (122692570).

Almost surely, 21012010211 is an apocalyptic number.

1012010211 is a deficient number, since it is larger than the sum of its proper divisors (460300629).

1012010211 is a wasteful number, since it uses less digits than its factorization.

1012010211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809106 (or 809103 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 1012010211 is about 31812.1079307864. The cubic root of 1012010211 is about 1003.9874825162.

Adding to 1012010211 its reverse (1120102101), we get a palindrome (2132112312).

The spelling of 1012010211 in words is "one billion, twelve million, ten thousand, two hundred eleven".

Divisors: 1 3 9 139 417 1251 808961 2426883 7280649 112445579 337336737 1012010211