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101103913849 is a prime number
BaseRepresentation
bin101111000101001000…
…0110100101101111001
3100122222002211222100211
41132022100310231321
53124030100220344
6114240235431121
710206310042141
oct1361220645571
9318862758324
10101103913849
11399725839a4
12177175b54a1
1396c34309c3
144c718db921
15296b0e5334
hex178a434b79

101103913849 has 2 divisors, whose sum is σ = 101103913850. Its totient is φ = 101103913848.

The previous prime is 101103913847. The next prime is 101103913957. The reversal of 101103913849 is 948319301101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52032803449 + 49071110400 = 228107^2 + 221520^2 .

It is a cyclic number.

It is not a de Polignac number, because 101103913849 - 21 = 101103913847 is a prime.

Together with 101103913847, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (101103913847) 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, 50551956924 + 50551956925.

It is an arithmetic number, because the mean of its divisors is an integer number (50551956925).

Almost surely, 2101103913849 is an apocalyptic number.

It is an amenable number.

101103913849 is a deficient number, since it is larger than the sum of its proper divisors (1).

101103913849 is an equidigital number, since it uses as much as digits as its factorization.

101103913849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 40.

The spelling of 101103913849 in words is "one hundred one billion, one hundred three million, nine hundred thirteen thousand, eight hundred forty-nine".