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3101211300000 = 25355114122921
BaseRepresentation
bin101101001000001110100…
…110010001000010100000
3101222110202202012000220210
4231020032212101002200
5401302240043100000
610332402104534120
7440024623053342
oct55101646210240
911873682160823
103101211300000
11a96241a26460
12421051481340
1319659b28c2b8
14aa156b89292
1555a09e9c350
hex2d20e9910a0

3101211300000 has 576 divisors, whose sum is σ = 11371449430656. Its totient is φ = 733440000000.

The previous prime is 3101211299941. The next prime is 3101211300001. The reversal of 3101211300000 is 31121013.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (3101211300001) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 135288540 + ... + 135311460.

It is an arithmetic number, because the mean of its divisors is an integer number (19742099706).

Almost surely, 23101211300000 is an apocalyptic number.

3101211300000 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 3101211300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5685724715328).

3101211300000 is an abundant number, since it is smaller than the sum of its proper divisors (8270238130656).

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

3101211300000 is a wasteful number, since it uses less digits than its factorization.

3101211300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23011 (or 22983 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 3101211300000 its reverse (31121013), we get a palindrome (3101242421013).

The spelling of 3101211300000 in words is "three trillion, one hundred one billion, two hundred eleven million, three hundred thousand".