Base | Representation |
---|---|
bin | 1001000010010110100… |
… | …1010010001101011111 |
3 | 112211201200000120121012 |
4 | 2100211221102031133 |
5 | 10020423100332033 |
6 | 155153202525435 |
7 | 14134151434064 |
oct | 2204551221537 |
9 | 484650016535 |
10 | 155250402143 |
11 | 5a928893a81 |
12 | 2610906687b |
13 | 118422617a5 |
14 | 772abd4c6b |
15 | 40899e9248 |
hex | 2425a5235f |
155250402143 has 8 divisors (see below), whose sum is σ = 163474821120. Its totient is φ = 147031317720.
The previous prime is 155250402137. The next prime is 155250402169. The reversal of 155250402143 is 341204052551.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 155250402143 - 222 = 155246207839 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (155250402103) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1273823 + ... + 1390368.
It is an arithmetic number, because the mean of its divisors is an integer number (20434352640).
Almost surely, 2155250402143 is an apocalyptic number.
155250402143 is a deficient number, since it is larger than the sum of its proper divisors (8224418977).
155250402143 is a wasteful number, since it uses less digits than its factorization.
155250402143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2667277.
The product of its (nonzero) digits is 24000, while the sum is 32.
Adding to 155250402143 its reverse (341204052551), we get a palindrome (496454454694).
The spelling of 155250402143 in words is "one hundred fifty-five billion, two hundred fifty million, four hundred two thousand, one hundred forty-three".
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