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2103210312 = 233752124029
BaseRepresentation
bin111110101011100…
…0111000101001000
312102120120011011020
41331113013011020
513301410212222
6544411032440
7103055664330
oct17527070510
95376504136
102103210312
1198a231045
124a843b720
13276973158
1415d4840c0
15c499d65c
hex7d5c7148

2103210312 has 64 divisors (see below), whose sum is σ = 6020956800. Its totient is φ = 599738880.

The previous prime is 2103210311. The next prime is 2103210331. The reversal of 2103210312 is 2130123012.

It is a junction number, because it is equal to n+sod(n) for n = 2103210291 and 2103210300.

It is not an unprimeable number, because it can be changed into a prime (2103210311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75514 + ... + 99542.

It is an arithmetic number, because the mean of its divisors is an integer number (94077450).

Almost surely, 22103210312 is an apocalyptic number.

It is an amenable number.

2103210312 is an abundant number, since it is smaller than the sum of its proper divisors (3917746488).

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

2103210312 is a wasteful number, since it uses less digits than its factorization.

2103210312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24566 (or 24562 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2103210312 is about 45860.7709486005. The cubic root of 2103210312 is about 1281.2313817417.

Adding to 2103210312 its reverse (2130123012), we get a palindrome (4233333324).

The spelling of 2103210312 in words is "two billion, one hundred three million, two hundred ten thousand, three hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 521 1042 1563 2084 3126 3647 4168 6252 7294 10941 12504 14588 21882 24029 29176 43764 48058 72087 87528 96116 144174 168203 192232 288348 336406 504609 576696 672812 1009218 1345624 2018436 4036872 12519109 25038218 37557327 50076436 75114654 87633763 100152872 150229308 175267526 262901289 300458616 350535052 525802578 701070104 1051605156 2103210312