Base | Representation |
---|---|
bin | 101111001000101001… |
… | …1101111101111000011 |
3 | 100200021100021111020202 |
4 | 1132101103233233003 |
5 | 3124300330323022 |
6 | 114300101155415 |
7 | 10212243553463 |
oct | 1362123575703 |
9 | 320240244222 |
10 | 101222120387 |
11 | 39a23280253 |
12 | 1774b0bbb6b |
13 | 9711a7a4bb |
14 | 4c834abba3 |
15 | 2976694592 |
hex | 17914efbc3 |
101222120387 has 2 divisors, whose sum is σ = 101222120388. Its totient is φ = 101222120386.
The previous prime is 101222120299. The next prime is 101222120407. The reversal of 101222120387 is 783021222101.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 101222120387 - 220 = 101221071811 is a prime.
It is not a weakly prime, because it can be changed into another prime (101222120287) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50611060193 + 50611060194.
It is an arithmetic number, because the mean of its divisors is an integer number (50611060194).
Almost surely, 2101222120387 is an apocalyptic number.
101222120387 is a deficient number, since it is larger than the sum of its proper divisors (1).
101222120387 is an equidigital number, since it uses as much as digits as its factorization.
101222120387 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2688, while the sum is 29.
Adding to 101222120387 its reverse (783021222101), we get a palindrome (884243342488).
The spelling of 101222120387 in words is "one hundred one billion, two hundred twenty-two million, one hundred twenty thousand, three hundred eighty-seven".
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