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1213200110 = 25121320011
BaseRepresentation
bin100100001001111…
…1111011011101110
310010112211221200102
41020103333123232
54441034400420
6320215031102
742031013363
oct11023773356
93115757612
101213200110
11572902221
1229a36b492
131644667b5
14b71a846a
1571796a75
hex484ff6ee

1213200110 has 8 divisors (see below), whose sum is σ = 2183760216. Its totient is φ = 485280040.

The previous prime is 1213200083. The next prime is 1213200137. The reversal of 1213200110 is 110023121.

It is an interprime number because it is at equal distance from previous prime (1213200083) and next prime (1213200137).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1213200091 and 1213200100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60659996 + ... + 60660015.

It is an arithmetic number, because the mean of its divisors is an integer number (272970027).

Almost surely, 21213200110 is an apocalyptic number.

1213200110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213200110 is a deficient number, since it is larger than the sum of its proper divisors (970560106).

1213200110 is a wasteful number, since it uses less digits than its factorization.

1213200110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121320018.

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

The square root of 1213200110 is about 34831.0222359322. The cubic root of 1213200110 is about 1066.5408159898.

Adding to 1213200110 its reverse (110023121), we get a palindrome (1323223231).

The spelling of 1213200110 in words is "one billion, two hundred thirteen million, two hundred thousand, one hundred ten".

Divisors: 1 2 5 10 121320011 242640022 606600055 1213200110