Search a number
-
+
3121021243003 = 31545591845307
BaseRepresentation
bin101101011010101011010…
…111001100111001111011
3102001100220100002101222111
4231122223113030321323
5402113322414234003
610345435524433151
7441325546564246
oct55325327147173
912040810071874
103121021243003
11aa3688143884
12424a5b8487b7
13198407481571
14ab0b5b1a25d
15562b91c4e6d
hex2d6ab5cce7b

3121021243003 has 8 divisors (see below), whose sum is σ = 3221760143360. Its totient is φ = 3020286142440.

The previous prime is 3121021243001. The next prime is 3121021243037. The reversal of 3121021243003 is 3003421201213.

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

It is not a de Polignac number, because 3121021243003 - 21 = 3121021243001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3121021243001) 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, 768676 + ... + 2613982.

It is an arithmetic number, because the mean of its divisors is an integer number (402720017920).

Almost surely, 23121021243003 is an apocalyptic number.

3121021243003 is a deficient number, since it is larger than the sum of its proper divisors (100738900357).

3121021243003 is a wasteful number, since it uses less digits than its factorization.

3121021243003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1899897.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 3121021243003 its reverse (3003421201213), we get a palindrome (6124442444216).

The spelling of 3121021243003 in words is "three trillion, one hundred twenty-one billion, twenty-one million, two hundred forty-three thousand, three".

Divisors: 1 31 54559 1691329 1845307 57204517 100678104613 3121021243003