Base | Representation |
---|---|
bin | 10010100011100… |
… | …00100001011101 |
3 | 101211212211212001 |
4 | 21101300201131 |
5 | 304321301031 |
6 | 23240042301 |
7 | 3600001333 |
oct | 1121604135 |
9 | 354784761 |
10 | 155650141 |
11 | 7a951289 |
12 | 44163391 |
13 | 2632989a |
14 | 16959b53 |
15 | d9e8861 |
hex | 947085d |
155650141 has 2 divisors, whose sum is σ = 155650142. Its totient is φ = 155650140.
The previous prime is 155650133. The next prime is 155650169. The reversal of 155650141 is 141056551.
It is a happy number.
It is an a-pointer prime, because the next prime (155650169) can be obtained adding 155650141 to its sum of digits (28).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 154281241 + 1368900 = 12421^2 + 1170^2 .
It is a cyclic number.
It is not a de Polignac number, because 155650141 - 23 = 155650133 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (155650171) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77825070 + 77825071.
It is an arithmetic number, because the mean of its divisors is an integer number (77825071).
Almost surely, 2155650141 is an apocalyptic number.
It is an amenable number.
155650141 is a deficient number, since it is larger than the sum of its proper divisors (1).
155650141 is an equidigital number, since it uses as much as digits as its factorization.
155650141 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3000, while the sum is 28.
The square root of 155650141 is about 12475.9825665156. The cubic root of 155650141 is about 537.9185314928.
The spelling of 155650141 in words is "one hundred fifty-five million, six hundred fifty thousand, one hundred forty-one".
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