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103240321211 = 791306839509
BaseRepresentation
bin110000000100110011…
…0100100100010111011
3100212110222212201022102
41200021212210202323
53142414010234321
6115232234214015
710313251152056
oct1401146444273
9325428781272
10103240321211
113a869519415
1218012b8430b
139973c28081
144dd5543a9d
152a4394ec0b
hex18099a48bb

103240321211 has 4 divisors (see below), whose sum is σ = 104547160800. Its totient is φ = 101933481624.

The previous prime is 103240321181. The next prime is 103240321243. The reversal of 103240321211 is 112123042301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112123042301 = 890031259767.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103240321211 is a prime.

It is a super-3 number, since 3×1032403212113 (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103240351211) 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, 653419676 + ... + 653419833.

It is an arithmetic number, because the mean of its divisors is an integer number (26136790200).

Almost surely, 2103240321211 is an apocalyptic number.

103240321211 is a deficient number, since it is larger than the sum of its proper divisors (1306839589).

103240321211 is an equidigital number, since it uses as much as digits as its factorization.

103240321211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306839588.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 103240321211 its reverse (112123042301), we get a palindrome (215363363512).

The spelling of 103240321211 in words is "one hundred three billion, two hundred forty million, three hundred twenty-one thousand, two hundred eleven".

Divisors: 1 79 1306839509 103240321211