Base | Representation |
---|---|
bin | 11101010000000110100… |
… | …10100101010000101001 |
3 | 10120002021120201200210221 |
4 | 32220003102211100221 |
5 | 112431344323100441 |
6 | 2045420512010041 |
7 | 132420521134111 |
oct | 16500322452051 |
9 | 3502246650727 |
10 | 1005077550121 |
11 | 358284090507 |
12 | 14295a530921 |
13 | 73a1720a678 |
14 | 36908934041 |
15 | 1b2273da8d1 |
hex | ea034a5429 |
1005077550121 has 2 divisors, whose sum is σ = 1005077550122. Its totient is φ = 1005077550120.
The previous prime is 1005077550053. The next prime is 1005077550179. The reversal of 1005077550121 is 1210557705001.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 979624857600 + 25452692521 = 989760^2 + 159539^2 .
It is a cyclic number.
It is not a de Polignac number, because 1005077550121 - 223 = 1005069161513 is a prime.
It is a super-2 number, since 2×10050775501212 (a number of 25 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (1005077553121) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502538775060 + 502538775061.
It is an arithmetic number, because the mean of its divisors is an integer number (502538775061).
Almost surely, 21005077550121 is an apocalyptic number.
It is an amenable number.
1005077550121 is a deficient number, since it is larger than the sum of its proper divisors (1).
1005077550121 is an equidigital number, since it uses as much as digits as its factorization.
1005077550121 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 12250, while the sum is 34.
The spelling of 1005077550121 in words is "one trillion, five billion, seventy-seven million, five hundred fifty thousand, one hundred twenty-one".
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