Base | Representation |
---|---|
bin | 1000111010110011101… |
… | …1000101011111110000 |
3 | 112122111111220210012012 |
4 | 2032230323011133300 |
5 | 10002301101304040 |
6 | 154220212022052 |
7 | 14033026141010 |
oct | 2165473053760 |
9 | 478444823165 |
10 | 153225025520 |
11 | 59a895945a6 |
12 | 25842901928 |
13 | 115ab770998 |
14 | 75b7c11c40 |
15 | 3ebbcc2865 |
hex | 23acec57f0 |
153225025520 has 80 divisors (see below), whose sum is σ = 407589055488. Its totient is φ = 52476453120.
The previous prime is 153225025489. The next prime is 153225025523. The reversal of 153225025520 is 25520522351.
It is a tau number, because it is divible by the number of its divisors (80).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (153225025523) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359987 + ... + 660333.
Almost surely, 2153225025520 is an apocalyptic number.
153225025520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 153225025520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203794527744).
153225025520 is an abundant number, since it is smaller than the sum of its proper divisors (254364029968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
153225025520 is a wasteful number, since it uses less digits than its factorization.
153225025520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 301278 (or 301272 counting only the distinct ones).
The product of its (nonzero) digits is 30000, while the sum is 32.
Adding to 153225025520 its reverse (25520522351), we get a palindrome (178745547871).
The spelling of 153225025520 in words is "one hundred fifty-three billion, two hundred twenty-five million, twenty-five thousand, five hundred twenty".
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