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3102312203100 = 22325211619115639
BaseRepresentation
bin101101001001010000001…
…101111000001101011100
3101222120121110201201001200
4231021100031320031130
5401312013410444400
610333103233035500
7440064121430355
oct55112015701534
911876543651050
103102312203100
11a967573a8230
124212ba0b5b90
13196715398056
14aa21d080d2c
1555a71960b00
hex2d25037835c

3102312203100 has 432 divisors, whose sum is σ = 10795679032320. Its totient is φ = 738803520000.

The previous prime is 3102312203071. The next prime is 3102312203101. The reversal of 3102312203100 is 13022132013.

3102312203100 is a `hidden beast` number, since 3 + 102 + 31 + 220 + 310 + 0 = 666.

It is a super-2 number, since 2×31023122031002 (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3102312203101) 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 143 ways as a sum of consecutive naturals, for example, 550150081 + ... + 550155719.

It is an arithmetic number, because the mean of its divisors is an integer number (24989997760).

Almost surely, 23102312203100 is an apocalyptic number.

3102312203100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3102312203100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5397839516160).

3102312203100 is an abundant number, since it is smaller than the sum of its proper divisors (7693366829220).

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

3102312203100 is a wasteful number, since it uses less digits than its factorization.

3102312203100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6642 (or 6632 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 3102312203100 its reverse (13022132013), we get a palindrome (3115334335113).

The spelling of 3102312203100 in words is "three trillion, one hundred two billion, three hundred twelve million, two hundred three thousand, one hundred".