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101020212347 is a prime number
BaseRepresentation
bin101111000010101000…
…1100001110001111011
3100122202021100111111012
41132011101201301323
53123342133243342
6114224045424135
710204242431345
oct1360521416173
9318667314435
10101020212347
113992a3047aa
12176b356b04b
1396abca58a2
144c64750295
152963aaeb82
hex1785461c7b

101020212347 has 2 divisors, whose sum is σ = 101020212348. Its totient is φ = 101020212346.

The previous prime is 101020212283. The next prime is 101020212353. The reversal of 101020212347 is 743212020101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101020212347 - 26 = 101020212283 is a prime.

It is not a weakly prime, because it can be changed into another prime (101020212047) by changing a digit.

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 as a sum of consecutive naturals, namely, 50510106173 + 50510106174.

It is an arithmetic number, because the mean of its divisors is an integer number (50510106174).

Almost surely, 2101020212347 is an apocalyptic number.

101020212347 is a deficient number, since it is larger than the sum of its proper divisors (1).

101020212347 is an equidigital number, since it uses as much as digits as its factorization.

101020212347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 101020212347 its reverse (743212020101), we get a palindrome (844232232448).

The spelling of 101020212347 in words is "one hundred one billion, twenty million, two hundred twelve thousand, three hundred forty-seven".