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1020103122947 is a prime number
BaseRepresentation
bin11101101100000101110…
…00100110000000000011
310121112001201222212211012
432312002320212000003
5113203132344413242
62100343502111135
7133462051322636
oct16660270460003
93545051885735
101020103122947
11363694689797
1214585257b4ab
137527013b56c
14375322d3c1d
151b8065a2282
hexed82e26003

1020103122947 has 2 divisors, whose sum is σ = 1020103122948. Its totient is φ = 1020103122946.

The previous prime is 1020103122889. The next prime is 1020103122991. The reversal of 1020103122947 is 7492213010201.

It is a strong prime.

It is an emirp because it is prime and its reverse (7492213010201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1020103122947 - 210 = 1020103121923 is a prime.

It is a super-2 number, since 2×10201031229472 (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1020103122347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510051561473 + 510051561474.

It is an arithmetic number, because the mean of its divisors is an integer number (510051561474).

Almost surely, 21020103122947 is an apocalyptic number.

1020103122947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020103122947 is an equidigital number, since it uses as much as digits as its factorization.

1020103122947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 1020103122947 in words is "one trillion, twenty billion, one hundred three million, one hundred twenty-two thousand, nine hundred forty-seven".