Search a number
-
+
30103121323 = 112736647393
BaseRepresentation
bin11100000010010010…
…010010110110101011
32212200221100000020101
4130002102102312223
5443122344340243
621455034210231
72113661211052
oct340222226653
985627300211
1030103121323
1111848477670
125a01583977
132ab985c532
14165800d399
15bb2be854d
hex702492dab

30103121323 has 4 divisors (see below), whose sum is σ = 32839768728. Its totient is φ = 27366473920.

The previous prime is 30103121291. The next prime is 30103121341. The reversal of 30103121323 is 32312130103.

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

It is a cyclic number.

It is not a de Polignac number, because 30103121323 - 25 = 30103121291 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 30103121323.

It is not an unprimeable number, because it can be changed into a prime (30103121383) 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, 1368323686 + ... + 1368323707.

It is an arithmetic number, because the mean of its divisors is an integer number (8209942182).

Almost surely, 230103121323 is an apocalyptic number.

30103121323 is a deficient number, since it is larger than the sum of its proper divisors (2736647405).

30103121323 is a wasteful number, since it uses less digits than its factorization.

30103121323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736647404.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 30103121323 its reverse (32312130103), we get a palindrome (62415251426).

The spelling of 30103121323 in words is "thirty billion, one hundred three million, one hundred twenty-one thousand, three hundred twenty-three".

Divisors: 1 11 2736647393 30103121323