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1020230112277 is a prime number
BaseRepresentation
bin11101101100010100111…
…01000001010000010101
310121112101120221121102201
432312022131001100111
5113203412402043102
62100404240004501
7133465152604135
oct16661235012025
93545346847381
101020230112277
1136374a334752
12145889000731
137529054188c
143754510cac5
151b8127d8987
hexed8a741415

1020230112277 has 2 divisors, whose sum is σ = 1020230112278. Its totient is φ = 1020230112276.

The previous prime is 1020230112191. The next prime is 1020230112311. The reversal of 1020230112277 is 7722110320201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 974482891281 + 45747220996 = 987159^2 + 213886^2 .

It is an emirp because it is prime and its reverse (7722110320201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1020230112277 is a prime.

It is a super-2 number, since 2×10202301122772 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020230112877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510115056138 + 510115056139.

It is an arithmetic number, because the mean of its divisors is an integer number (510115056139).

Almost surely, 21020230112277 is an apocalyptic number.

It is an amenable number.

1020230112277 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020230112277 is an equidigital number, since it uses as much as digits as its factorization.

1020230112277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 28.

Adding to 1020230112277 its reverse (7722110320201), we get a palindrome (8742340432478).

The spelling of 1020230112277 in words is "one trillion, twenty billion, two hundred thirty million, one hundred twelve thousand, two hundred seventy-seven".