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1312023130200 = 2332523753371699
BaseRepresentation
bin10011000101111010101…
…011000011000001011000
311122102120010222202020200
4103011322223003001120
5132444010410131300
62442422441022200
7163535104412166
oct23057253030130
94572503882220
101312023130200
11466475941932
12192341a84960
1396952c9a073
14477062a8236
15241de714200
hex1317aac3058

1312023130200 has 288 divisors, whose sum is σ = 4610693178000. Its totient is φ = 333992954880.

The previous prime is 1312023130199. The next prime is 1312023130241. The reversal of 1312023130200 is 20313202131.

1312023130200 is a `hidden beast` number, since 1 + 312 + 0 + 23 + 130 + 200 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3343951 + ... + 3715649.

Almost surely, 21312023130200 is an apocalyptic number.

1312023130200 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 1312023130200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2305346589000).

1312023130200 is an abundant number, since it is smaller than the sum of its proper divisors (3298670047800).

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

1312023130200 is a wasteful number, since it uses less digits than its factorization.

1312023130200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371811 (or 371799 counting only the distinct ones).

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

Adding to 1312023130200 its reverse (20313202131), we get a palindrome (1332336332331).

The spelling of 1312023130200 in words is "one trillion, three hundred twelve billion, twenty-three million, one hundred thirty thousand, two hundred".