Base | Representation |
---|---|
bin | 1000111110001110101… |
… | …0110101101000001101 |
3 | 112201212112012210021202 |
4 | 2033203222311220031 |
5 | 10011141214404401 |
6 | 154451302235245 |
7 | 14064551146244 |
oct | 2174352655015 |
9 | 481775183252 |
10 | 154143513101 |
11 | 5a40aaa3946 |
12 | 25a5a425b25 |
13 | 116c6b3b266 |
14 | 7663bc195b |
15 | 402275206b |
hex | 23e3ab5a0d |
154143513101 has 6 divisors (see below), whose sum is σ = 162683320302. Its totient is φ = 146030696280.
The previous prime is 154143513089. The next prime is 154143513113. The reversal of 154143513101 is 101315341451.
It is an interprime number because it is at equal distance from previous prime (154143513089) and next prime (154143513113).
It can be written as a sum of positive squares in only one way, i.e., 130952791876 + 23190721225 = 361874^2 + 152285^2 .
It is a de Polignac number, because none of the positive numbers 2k-154143513101 is a prime.
It is a super-2 number, since 2×1541435131012 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (154143513191) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 213494810 + ... + 213495531.
It is an arithmetic number, because the mean of its divisors is an integer number (27113886717).
Almost surely, 2154143513101 is an apocalyptic number.
It is an amenable number.
154143513101 is a deficient number, since it is larger than the sum of its proper divisors (8539807201).
154143513101 is an equidigital number, since it uses as much as digits as its factorization.
154143513101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 426990379 (or 426990360 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 29.
Adding to 154143513101 its reverse (101315341451), we get a palindrome (255458854552).
The spelling of 154143513101 in words is "one hundred fifty-four billion, one hundred forty-three million, five hundred thirteen thousand, one hundred one".
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