Search a number
-
+
1010200231 = 1759423543
BaseRepresentation
bin111100001101100…
…110111010100111
32121101212111012101
4330031212322213
54032102401411
6244124032531
734014363115
oct7415467247
92541774171
101010200231
11479260427
12242392747
1313139bc21
1498244ab5
155da488c1
hex3c366ea7

1010200231 has 4 divisors (see below), whose sum is σ = 1069623792. Its totient is φ = 950776672.

The previous prime is 1010200229. The next prime is 1010200249. The reversal of 1010200231 is 1320020101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1320020101 = 6132153377.

It is a cyclic number.

It is not a de Polignac number, because 1010200231 - 21 = 1010200229 is a prime.

It is a super-2 number, since 2×10102002312 = 2041009013424906722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010209231) 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, 29711755 + ... + 29711788.

It is an arithmetic number, because the mean of its divisors is an integer number (267405948).

Almost surely, 21010200231 is an apocalyptic number.

1010200231 is a deficient number, since it is larger than the sum of its proper divisors (59423561).

1010200231 is an equidigital number, since it uses as much as digits as its factorization.

1010200231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59423560.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1010200231 is about 31783.6472262074. The cubic root of 1010200231 is about 1003.3885815453.

Adding to 1010200231 its reverse (1320020101), we get a palindrome (2330220332).

The spelling of 1010200231 in words is "one billion, ten million, two hundred thousand, two hundred thirty-one".

Divisors: 1 17 59423543 1010200231