Base | Representation |
---|---|
bin | 1001001001111111111… |
… | …1110111101001110110 |
3 | 120001000201121121201110 |
4 | 2102133333313221312 |
5 | 10034124101034110 |
6 | 200133012135450 |
7 | 14236055440305 |
oct | 2223777675166 |
9 | 501021547643 |
10 | 157303143030 |
11 | 60791583650 |
12 | 265a0607586 |
13 | 11aab613977 |
14 | 788369c43c |
15 | 4159d28a20 |
hex | 249fff7a76 |
157303143030 has 64 divisors (see below), whose sum is σ = 413414419968. Its totient is φ = 37989077760.
The previous prime is 157303143013. The next prime is 157303143031. The reversal of 157303143030 is 30341303751.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157303143031) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 819439 + ... + 993018.
It is an arithmetic number, because the mean of its divisors is an integer number (6459600312).
Almost surely, 2157303143030 is an apocalyptic number.
157303143030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
157303143030 is an abundant number, since it is smaller than the sum of its proper divisors (256111276938).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157303143030 is a wasteful number, since it uses less digits than its factorization.
157303143030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1812741.
The product of its (nonzero) digits is 11340, while the sum is 30.
Adding to 157303143030 its reverse (30341303751), we get a palindrome (187644446781).
The spelling of 157303143030 in words is "one hundred fifty-seven billion, three hundred three million, one hundred forty-three thousand, thirty".
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