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1331000200 = 23526655001
BaseRepresentation
bin100111101010101…
…0111001110001000
310102202111211000201
41033111113032020
510211214001300
6340023541544
744661213025
oct11725271610
93382454021
101331000200
11623351172
123118ba8b4
131829a02aa
14c8ab054c
157bcb566a
hex4f557388

1331000200 has 24 divisors (see below), whose sum is σ = 3094575930. Its totient is φ = 532400000.

The previous prime is 1331000197. The next prime is 1331000207. The reversal of 1331000200 is 20001331.

It can be written as a sum of positive squares in 3 ways, for example, as 1201176964 + 129823236 = 34658^2 + 11394^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (1331000207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3327301 + ... + 3327700.

Almost surely, 21331000200 is an apocalyptic number.

1331000200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1331000200 is an abundant number, since it is smaller than the sum of its proper divisors (1763575730).

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

1331000200 is a wasteful number, since it uses less digits than its factorization.

1331000200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6655017 (or 6655008 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 1331000200 is about 36482.8754349215. The cubic root of 1331000200 is about 1100.0000550964. Note that the first 4 decimals are identical.

Adding to 1331000200 its reverse (20001331), we get a palindrome (1351001531).

The spelling of 1331000200 in words is "one billion, three hundred thirty-one million, two hundred", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 6655001 13310002 26620004 33275005 53240008 66550010 133100020 166375025 266200040 332750050 665500100 1331000200