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1301131210200 = 233528939236211
BaseRepresentation
bin10010111011110001011…
…101101010110111011000
311121101110001220212220020
4102323301131222313120
5132304204042211300
62433421553230440
7163001146543323
oct22736135526730
94541401825806
101301131210200
11461896714158
12190202262420
1395908584ba3
1446d918cd7ba
1523ca33c38a0
hex12ef176add8

1301131210200 has 192 divisors, whose sum is σ = 4080523651200. Its totient is φ = 342927129600.

The previous prime is 1301131210147. The next prime is 1301131210219. The reversal of 1301131210200 is 20121311031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1301131210200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 209485095 + ... + 209491305.

It is an arithmetic number, because the mean of its divisors is an integer number (21252727350).

Almost surely, 21301131210200 is an apocalyptic number.

1301131210200 is a gapful number since it is divisible by the number (10) 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 1301131210200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2040261825600).

1301131210200 is an abundant number, since it is smaller than the sum of its proper divisors (2779392441000).

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

1301131210200 is a wasteful number, since it uses less digits than its factorization.

1301131210200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10242 (or 10233 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1301131210200 its reverse (20121311031), we get a palindrome (1321252521231).

The spelling of 1301131210200 in words is "one trillion, three hundred one billion, one hundred thirty-one million, two hundred ten thousand, two hundred".