Base | Representation |
---|---|
bin | 100000100100010010010010… |
… | …101110111000101001111110 |
3 | 200210010202022211101022111010 |
4 | 200210102102232320221332 |
5 | 122233144122433314410 |
6 | 1224343232145540050 |
7 | 42112046321651631 |
oct | 4044222256705176 |
9 | 623122284338433 |
10 | 143231031151230 |
11 | 41701a37072350 |
12 | 14093172644626 |
13 | 61bc82244a9c9 |
14 | 27525c1649c18 |
15 | 1185b7b5b4c20 |
hex | 824492bb8a7e |
143231031151230 has 128 divisors (see below), whose sum is σ = 391781484702720. Its totient is φ = 33172927349760.
The previous prime is 143231031151211. The next prime is 143231031151237. The reversal of 143231031151230 is 32151130132341.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143231031151237) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5089687 + ... + 17673906.
It is an arithmetic number, because the mean of its divisors is an integer number (3060792849240).
Almost surely, 2143231031151230 is an apocalyptic number.
143231031151230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
143231031151230 is an abundant number, since it is smaller than the sum of its proper divisors (248550453551490).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143231031151230 is a wasteful number, since it uses less digits than its factorization.
143231031151230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22764466.
The product of its (nonzero) digits is 6480, while the sum is 30.
Adding to 143231031151230 its reverse (32151130132341), we get a palindrome (175382161283571).
The spelling of 143231031151230 in words is "one hundred forty-three trillion, two hundred thirty-one billion, thirty-one million, one hundred fifty-one thousand, two hundred thirty".
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