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2102320992 = 253188911593
BaseRepresentation
bin111110101001110…
…1101111101100000
312102111212222020110
41331103231331200
513301143232432
6544340011320
7103045301502
oct17523557540
95374788213
102102320992
11989783972
124a8090b40
13276721425
1415d2d1d72
15c4874dcc
hex7d4edf60

2102320992 has 48 divisors (see below), whose sum is σ = 5521990320. Its totient is φ = 700342272.

The previous prime is 2102320991. The next prime is 2102321051. The reversal of 2102320992 is 2990232012.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102320991) 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 7 ways as a sum of consecutive naturals, for example, 175548 + ... + 187140.

It is an arithmetic number, because the mean of its divisors is an integer number (115041465).

Almost surely, 22102320992 is an apocalyptic number.

It is an amenable number.

2102320992 is an abundant number, since it is smaller than the sum of its proper divisors (3419669328).

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

2102320992 is a wasteful number, since it uses less digits than its factorization.

2102320992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13495 (or 13487 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 2102320992 is about 45851.0740550317. The cubic root of 2102320992 is about 1281.0507712846.

The spelling of 2102320992 in words is "two billion, one hundred two million, three hundred twenty thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 1889 3778 5667 7556 11334 11593 15112 22668 23186 30224 34779 45336 46372 60448 69558 90672 92744 139116 181344 185488 278232 370976 556464 1112928 21899177 43798354 65697531 87596708 131395062 175193416 262790124 350386832 525580248 700773664 1051160496 2102320992