Search a number
-
+
102103321301 = 556918334229
BaseRepresentation
bin101111100010111010…
…1010000101011010101
3100202112202102010122122
41133011311100223111
53133101422240201
6114523340305325
710243133624402
oct1370565205325
9322482363578
10102103321301
113a335732573
1217956242245
1398224c1267
144d285332a9
1529c8c0ae1b
hex17c5d50ad5

102103321301 has 4 divisors (see below), whose sum is σ = 102121661100. Its totient is φ = 102084981504.

The previous prime is 102103321267. The next prime is 102103321303. The reversal of 102103321301 is 103123301201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 103123301201 = 432398216307.

It can be written as a sum of positive squares in 2 ways, for example, as 25082640625 + 77020680676 = 158375^2 + 277526^2 .

It is a cyclic number.

It is not a de Polignac number, because 102103321301 - 230 = 101029579477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 102103321301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102103321303) 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, 9161546 + ... + 9172683.

It is an arithmetic number, because the mean of its divisors is an integer number (25530415275).

Almost surely, 2102103321301 is an apocalyptic number.

It is an amenable number.

102103321301 is a deficient number, since it is larger than the sum of its proper divisors (18339799).

102103321301 is an equidigital number, since it uses as much as digits as its factorization.

102103321301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18339798.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 102103321301 its reverse (103123301201), we get a palindrome (205226622502).

The spelling of 102103321301 in words is "one hundred two billion, one hundred three million, three hundred twenty-one thousand, three hundred one".

Divisors: 1 5569 18334229 102103321301