Base | Representation |
---|---|
bin | 1101101111010100100100… |
… | …10001111001010000001000 |
3 | 10221222100200121221201210110 |
4 | 12313222102101321100020 |
5 | 12430003221023441202 |
6 | 144131435523114320 |
7 | 6235556413501602 |
oct | 667522221712010 |
9 | 127870617851713 |
10 | 30213254124552 |
11 | 96994073281a4 |
12 | 347b6458129a0 |
13 | 13b2136687c75 |
14 | 766487868172 |
15 | 375db1b4b26c |
hex | 1b7a92479408 |
30213254124552 has 64 divisors (see below), whose sum is σ = 78583622860800. Its totient is φ = 9669469158720.
The previous prime is 30213254124499. The next prime is 30213254124553. The reversal of 30213254124552 is 25542145231203.
It is a self number, because there is not a number n which added to its sum of digits gives 30213254124552.
It is not an unprimeable number, because it can be changed into a prime (30213254124553) 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, 159784302 + ... + 159973277.
It is an arithmetic number, because the mean of its divisors is an integer number (1227869107200).
Almost surely, 230213254124552 is an apocalyptic number.
It is an amenable number.
30213254124552 is an abundant number, since it is smaller than the sum of its proper divisors (48370368736248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30213254124552 is a wasteful number, since it uses less digits than its factorization.
30213254124552 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 319757746 (or 319757742 counting only the distinct ones).
The product of its (nonzero) digits is 288000, while the sum is 39.
Adding to 30213254124552 its reverse (25542145231203), we get a palindrome (55755399355755).
The spelling of 30213254124552 in words is "thirty trillion, two hundred thirteen billion, two hundred fifty-four million, one hundred twenty-four thousand, five hundred fifty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •