Search a number
-
+
1230202113 = 3758581053
BaseRepresentation
bin100100101010011…
…0110010100000001
310011201211202001020
41021110312110001
510004412431423
6322023300053
742325355040
oct11124662401
93151752036
101230202113
11581465068
122a3baa629
13167b3a45a
14b9552557
15730044e3
hex49536501

1230202113 has 8 divisors (see below), whose sum is σ = 1874593728. Its totient is φ = 702972624.

The previous prime is 1230202091. The next prime is 1230202123. The reversal of 1230202113 is 3112020321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1230202113 - 28 = 1230201857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1230202092 and 1230202101.

It is not an unprimeable number, because it can be changed into a prime (1230202123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29290506 + ... + 29290547.

It is an arithmetic number, because the mean of its divisors is an integer number (234324216).

Almost surely, 21230202113 is an apocalyptic number.

It is an amenable number.

1230202113 is a deficient number, since it is larger than the sum of its proper divisors (644391615).

1230202113 is an equidigital number, since it uses as much as digits as its factorization.

1230202113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58581063.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1230202113 is about 35074.2371691816. The cubic root of 1230202113 is about 1071.4999527122.

Adding to 1230202113 its reverse (3112020321), we get a palindrome (4342222434).

The spelling of 1230202113 in words is "one billion, two hundred thirty million, two hundred two thousand, one hundred thirteen".

Divisors: 1 3 7 21 58581053 175743159 410067371 1230202113