Search a number
-
+
203024310101 = 526138590441
BaseRepresentation
bin1011110100010100110…
…0010001111101010101
3201102001010001120000122
42331011030101331111
511311243210410401
6233133523321325
720445063106424
oct2750514217525
9642033046018
10203024310101
1179113a26138
1233420520245
13161b6a65892
149b7da152bb
155433c1b21b
hex2f45311f55

203024310101 has 4 divisors (see below), whose sum is σ = 203062905804. Its totient is φ = 202985714400.

The previous prime is 203024310089. The next prime is 203024310107. The reversal of 203024310101 is 101013420302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 88475907601 + 114548402500 = 297449^2 + 338450^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-203024310101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203024310101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203024310107) 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, 19289960 + ... + 19300481.

It is an arithmetic number, because the mean of its divisors is an integer number (50765726451).

Almost surely, 2203024310101 is an apocalyptic number.

It is an amenable number.

203024310101 is a deficient number, since it is larger than the sum of its proper divisors (38595703).

203024310101 is an equidigital number, since it uses as much as digits as its factorization.

203024310101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38595702.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 203024310101 its reverse (101013420302), we get a palindrome (304037730403).

The spelling of 203024310101 in words is "two hundred three billion, twenty-four million, three hundred ten thousand, one hundred one".

Divisors: 1 5261 38590441 203024310101