Base | Representation |
---|---|
bin | 1011100011001001… |
… | …0101010000001101 |
3 | 22000001120120122012 |
4 | 2320302111100031 |
5 | 22322122430442 |
6 | 1231344031005 |
7 | 136553165534 |
oct | 27062252015 |
9 | 8001516565 |
10 | 3100201997 |
11 | 1350a8a712 |
12 | 726302465 |
13 | 3a5398c69 |
14 | 215a4b31b |
15 | 132288582 |
hex | b8c9540d |
3100201997 has 2 divisors, whose sum is σ = 3100201998. Its totient is φ = 3100201996.
The previous prime is 3100201961. The next prime is 3100202009. The reversal of 3100201997 is 7991020013.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 3093473161 + 6728836 = 55619^2 + 2594^2 .
It is an emirp because it is prime and its reverse (7991020013) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-3100201997 is a prime.
It is a super-2 number, since 2×31002019972 = 19222504844405576018, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (3100201927) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1550100998 + 1550100999.
It is an arithmetic number, because the mean of its divisors is an integer number (1550100999).
Almost surely, 23100201997 is an apocalyptic number.
It is an amenable number.
3100201997 is a deficient number, since it is larger than the sum of its proper divisors (1).
3100201997 is an equidigital number, since it uses as much as digits as its factorization.
3100201997 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3402, while the sum is 32.
The square root of 3100201997 is about 55679.4575853609. The cubic root of 3100201997 is about 1458.1314052219.
The spelling of 3100201997 in words is "three billion, one hundred million, two hundred one thousand, nine hundred ninety-seven".
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