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2103186072 = 2331323143389
BaseRepresentation
bin111110101011100…
…0001001010011000
312102120111220220110
41331113001022120
513301403423242
6544410324320
7103055533551
oct17527011230
95376456813
102103186072
1198a214909
124a84296a0
13276965100
1415d479328
15c499639c
hex7d5c1298

2103186072 has 192 divisors, whose sum is σ = 6029337600. Its totient is φ = 610122240.

The previous prime is 2103186047. The next prime is 2103186089. The reversal of 2103186072 is 2706813012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5406454 + ... + 5406842.

It is an arithmetic number, because the mean of its divisors is an integer number (31402800).

Almost surely, 22103186072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2103186072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3014668800).

2103186072 is an abundant number, since it is smaller than the sum of its proper divisors (3926151528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2103186072 is a wasteful number, since it uses less digits than its factorization.

2103186072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2103186072 is about 45860.5066696826. The cubic root of 2103186072 is about 1281.2264595572.

Adding to 2103186072 its reverse (2706813012), we get a palindrome (4809999084).

The spelling of 2103186072 in words is "two billion, one hundred three million, one hundred eighty-six thousand, seventy-two".