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103312120444 = 22131986771547
BaseRepresentation
bin110000000110111100…
…0011101101001111100
3100212122222222111100021
41200031320131221330
53143040400323234
6115243321141524
710315112351221
oct1401570355174
9325588874307
10103312120444
113a8a5aa9225
121803302a8a4
139985a76820
145000cb3948
152a49dd39b4
hex180de1da7c

103312120444 has 12 divisors (see below), whose sum is σ = 194703611704. Its totient is φ = 47682517104.

The previous prime is 103312120441. The next prime is 103312120507. The reversal of 103312120444 is 444021213301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103312120441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 993385722 + ... + 993385825.

Almost surely, 2103312120444 is an apocalyptic number.

It is an amenable number.

103312120444 is a deficient number, since it is larger than the sum of its proper divisors (91391491260).

103312120444 is a wasteful number, since it uses less digits than its factorization.

103312120444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1986771564 (or 1986771562 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 103312120444 its reverse (444021213301), we get a palindrome (547333333745).

The spelling of 103312120444 in words is "one hundred three billion, three hundred twelve million, one hundred twenty thousand, four hundred forty-four".

Divisors: 1 2 4 13 26 52 1986771547 3973543094 7947086188 25828030111 51656060222 103312120444