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101212132303 = 727139218889
BaseRepresentation
bin101111001000010110…
…1101001001111001111
3100200020122111001011201
41132100231221033033
53124240301213203
6114255103130331
710212062633632
oct1362055511717
9320218431151
10101212132303
1139a18679037
12177478a39a7
13970c9911a9
144c8202bc19
15297586ee1d
hex1790b693cf

101212132303 has 4 divisors (see below), whose sum is σ = 101351351920. Its totient is φ = 101072912688.

The previous prime is 101212132279. The next prime is 101212132309. The reversal of 101212132303 is 303231212101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101212132303 - 29 = 101212131791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101212132309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69608718 + ... + 69610171.

It is an arithmetic number, because the mean of its divisors is an integer number (25337837980).

Almost surely, 2101212132303 is an apocalyptic number.

101212132303 is a deficient number, since it is larger than the sum of its proper divisors (139219617).

101212132303 is an equidigital number, since it uses as much as digits as its factorization.

101212132303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139219616.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 101212132303 its reverse (303231212101), we get a palindrome (404443344404).

The spelling of 101212132303 in words is "one hundred one billion, two hundred twelve million, one hundred thirty-two thousand, three hundred three".

Divisors: 1 727 139218889 101212132303