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101212010 = 2517215881
BaseRepresentation
bin1100000100001…
…01111101101010
321001110002202222
412002011331222
5201402241020
614013154042
72336200514
oct602057552
9231402688
10101212010
115214a099
1229a8b922
1317c79383
14d628bb4
158d43b25
hex6085f6a

101212010 has 16 divisors (see below), whose sum is σ = 182318472. Its totient is φ = 40454400.

The previous prime is 101212003. The next prime is 101212019. The reversal of 101212010 is 10212101.

It can be written as a sum of positive squares in 4 ways, for example, as 98743969 + 2468041 = 9937^2 + 1571^2 .

It is not an unprimeable number, because it can be changed into a prime (101212019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14270 + ... + 20150.

Almost surely, 2101212010 is an apocalyptic number.

101212010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101212010 is a deficient number, since it is larger than the sum of its proper divisors (81106462).

101212010 is a wasteful number, since it uses less digits than its factorization.

101212010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7609.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 101212010 is about 10060.4179833643. The cubic root of 101212010 is about 466.0265753846.

Adding to 101212010 its reverse (10212101), we get a palindrome (111424111).

Subtracting from 101212010 its reverse (10212101), we obtain a palindrome (90999909).

The spelling of 101212010 in words is "one hundred one million, two hundred twelve thousand, ten".

Divisors: 1 2 5 10 1721 3442 5881 8605 11762 17210 29405 58810 10121201 20242402 50606005 101212010