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1312110200 = 23526560551
BaseRepresentation
bin100111000110101…
…0011011001111000
310101102222002211002
41032031103121320
510141400011300
6334111024132
744341516112
oct11615233170
93342862732
101312110200
116137198a5
1230750b048
1317bab818b
14c63943b2
157a2d35d5
hex4e353678

1312110200 has 24 divisors (see below), whose sum is σ = 3050656680. Its totient is φ = 524844000.

The previous prime is 1312110199. The next prime is 1312110203. The reversal of 1312110200 is 20112131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312110203) 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, 3280076 + ... + 3280475.

It is an arithmetic number, because the mean of its divisors is an integer number (127110695).

Almost surely, 21312110200 is an apocalyptic number.

1312110200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312110200 is an abundant number, since it is smaller than the sum of its proper divisors (1738546480).

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

1312110200 is a wasteful number, since it uses less digits than its factorization.

1312110200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6560567 (or 6560558 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1312110200 is about 36223.0617148799. The cubic root of 1312110200 is about 1094.7713846171.

Adding to 1312110200 its reverse (20112131), we get a palindrome (1332222331).

The spelling of 1312110200 in words is "one billion, three hundred twelve million, one hundred ten thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 6560551 13121102 26242204 32802755 52484408 65605510 131211020 164013775 262422040 328027550 656055100 1312110200