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2105313372 = 2232232542649
BaseRepresentation
bin111110101111100…
…1000100001011100
312102201112000000100
41331133020201130
513302430011442
6544524101100
7103112603601
oct17537104134
95381460010
102105313372
11990438108
124a9094790
1327722b476
1415d8706a8
15c4c6684c
hex7d7c885c

2105313372 has 36 divisors (see below), whose sum is σ = 5553147600. Its totient is φ = 671259072.

The previous prime is 2105313361. The next prime is 2105313391. The reversal of 2105313372 is 2733135012.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1270497 + ... + 1272152.

It is an arithmetic number, because the mean of its divisors is an integer number (154254100).

Almost surely, 22105313372 is an apocalyptic number.

It is an amenable number.

2105313372 is an abundant number, since it is smaller than the sum of its proper divisors (3447834228).

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

2105313372 is a wasteful number, since it uses less digits than its factorization.

2105313372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2542682 (or 2542677 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 2105313372 is about 45883.6939663755. The cubic root of 2105313372 is about 1281.6582860870.

Adding to 2105313372 its reverse (2733135012), we get a palindrome (4838448384).

The spelling of 2105313372 in words is "two billion, one hundred five million, three hundred thirteen thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 23 36 46 69 92 138 207 276 414 828 2542649 5085298 7627947 10170596 15255894 22883841 30511788 45767682 58480927 91535364 116961854 175442781 233923708 350885562 526328343 701771124 1052656686 2105313372