Base | Representation |
---|---|
bin | 101111001000101001… |
… | …1110010000111101101 |
3 | 100200021100021222122121 |
4 | 1132101103302013231 |
5 | 3124300331131112 |
6 | 114300101312541 |
7 | 10212243624121 |
oct | 1362123620755 |
9 | 320240258577 |
10 | 101222130157 |
11 | 39a23287625 |
12 | 1774b105751 |
13 | 9711a81a95 |
14 | 4c834b1581 |
15 | 2976697407 |
hex | 17914f21ed |
101222130157 has 2 divisors, whose sum is σ = 101222130158. Its totient is φ = 101222130156.
The previous prime is 101222130101. The next prime is 101222130181. The reversal of 101222130157 is 751031222101.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 90492070761 + 10730059396 = 300819^2 + 103586^2 .
It is a cyclic number.
It is not a de Polignac number, because 101222130157 - 27 = 101222130029 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (101222130187) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50611065078 + 50611065079.
It is an arithmetic number, because the mean of its divisors is an integer number (50611065079).
Almost surely, 2101222130157 is an apocalyptic number.
It is an amenable number.
101222130157 is a deficient number, since it is larger than the sum of its proper divisors (1).
101222130157 is an equidigital number, since it uses as much as digits as its factorization.
101222130157 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 840, while the sum is 25.
Adding to 101222130157 its reverse (751031222101), we get a palindrome (852253352258).
The spelling of 101222130157 in words is "one hundred one billion, two hundred twenty-two million, one hundred thirty thousand, one hundred fifty-seven".
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