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101012203 = 4310322807
BaseRepresentation
bin1100000010101…
…01001011101011
321001001221200201
412001111023223
5201324342303
614005013031
72334406135
oct601251353
9231057621
10101012203
1152022a66
12299b4177
1317c09446
14d5b6055
158d0481d
hex60552eb

101012203 has 8 divisors (see below), whose sum is σ = 104369408. Its totient is φ = 97700904.

The previous prime is 101012161. The next prime is 101012207. The reversal of 101012203 is 302210101.

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

It is a cyclic number.

It is not a de Polignac number, because 101012203 - 213 = 101004011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101012203.

It is not an unprimeable number, because it can be changed into a prime (101012207) 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, 6975 + ... + 15832.

It is an arithmetic number, because the mean of its divisors is an integer number (13046176).

Almost surely, 2101012203 is an apocalyptic number.

101012203 is a deficient number, since it is larger than the sum of its proper divisors (3357205).

101012203 is a wasteful number, since it uses less digits than its factorization.

101012203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22953.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 101012203 is about 10050.4827247252. The cubic root of 101012203 is about 465.7197056314.

Adding to 101012203 its reverse (302210101), we get a palindrome (403222304).

The spelling of 101012203 in words is "one hundred one million, twelve thousand, two hundred three".

Divisors: 1 43 103 4429 22807 980701 2349121 101012203