Search a number
-
+
1142030211 = 37269111243
BaseRepresentation
bin100010000010001…
…1111111110000011
32221120221010221020
41010010133332003
54314324431321
6305153400523
740205045100
oct10404377603
92846833836
101142030211
11536712223
1227a569143
131527a862a
14ab95daa7
156a3d94c6
hex4411ff83

1142030211 has 24 divisors (see below), whose sum is σ = 1774033344. Its totient is φ = 651586320.

The previous prime is 1142030159. The next prime is 1142030221. The reversal of 1142030211 is 1120302411.

It is not a de Polignac number, because 1142030211 - 26 = 1142030147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142030221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95956 + ... + 107198.

It is an arithmetic number, because the mean of its divisors is an integer number (73918056).

Almost surely, 21142030211 is an apocalyptic number.

1142030211 is a deficient number, since it is larger than the sum of its proper divisors (632003133).

1142030211 is a wasteful number, since it uses less digits than its factorization.

1142030211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11951 (or 11944 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1142030211 is about 33793.9374888455. The cubic root of 1142030211 is about 1045.2636899331.

Adding to 1142030211 its reverse (1120302411), we get a palindrome (2262332622).

The spelling of 1142030211 in words is "one billion, one hundred forty-two million, thirty thousand, two hundred eleven".

Divisors: 1 3 7 21 49 147 691 2073 4837 11243 14511 33729 33859 78701 101577 236103 550907 1652721 7768913 23306739 54382391 163147173 380676737 1142030211