Search a number
-
+
1202030113 = 2531474923
BaseRepresentation
bin100011110100101…
…1000011000100001
310002202211110022211
41013221120120201
54430204430423
6315135402121
741534041654
oct10751303041
93082743284
101202030113
11567573019
12296683341
1316205552b
14b58db89b
15707dc10d
hex47a58621

1202030113 has 4 divisors (see below), whose sum is σ = 1202507568. Its totient is φ = 1201552660.

The previous prime is 1202030107. The next prime is 1202030119. The reversal of 1202030113 is 3110302021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1202030107) and next prime (1202030119).

It is a cyclic number.

It is not a de Polignac number, because 1202030113 - 213 = 1202021921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202030093 and 1202030102.

It is not an unprimeable number, because it can be changed into a prime (1202030119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234931 + ... + 239992.

It is an arithmetic number, because the mean of its divisors is an integer number (300626892).

Almost surely, 21202030113 is an apocalyptic number.

It is an amenable number.

1202030113 is a deficient number, since it is larger than the sum of its proper divisors (477455).

1202030113 is an equidigital number, since it uses as much as digits as its factorization.

1202030113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477454.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1202030113 is about 34670.3059259649. The cubic root of 1202030113 is about 1063.2574862835.

Adding to 1202030113 its reverse (3110302021), we get a palindrome (4312332134).

The spelling of 1202030113 in words is "one billion, two hundred two million, thirty thousand, one hundred thirteen".

Divisors: 1 2531 474923 1202030113