Search a number
-
+
1002043211 = 1377080247
BaseRepresentation
bin111011101110011…
…111011101001011
32120211112001212112
4323232133131023
54023010340321
6243233132535
733555140531
oct7356373513
92524461775
101002043211
11474699994
1223b6ba14b
1312c7a41a0
1497120151
155ce86a5b
hex3bb9f74b

1002043211 has 4 divisors (see below), whose sum is σ = 1079123472. Its totient is φ = 924962952.

The previous prime is 1002043193. The next prime is 1002043219. The reversal of 1002043211 is 1123402001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1123402001 = 1693663557.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1002043211 is a prime.

It is a super-2 number, since 2×10020432112 = 2008181193422381042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002043219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38540111 + ... + 38540136.

It is an arithmetic number, because the mean of its divisors is an integer number (269780868).

Almost surely, 21002043211 is an apocalyptic number.

1002043211 is a deficient number, since it is larger than the sum of its proper divisors (77080261).

1002043211 is an equidigital number, since it uses as much as digits as its factorization.

1002043211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77080260.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1002043211 is about 31655.0661190275. The cubic root of 1002043211 is about 1000.6806070024.

Adding to 1002043211 its reverse (1123402001), we get a palindrome (2125445212).

The spelling of 1002043211 in words is "one billion, two million, forty-three thousand, two hundred eleven".

Divisors: 1 13 77080247 1002043211