Base | Representation |
---|---|
bin | 1101111000000001111100… |
… | …00100010111100000101100 |
3 | 11000000222001211011120011020 |
4 | 12330000332010113200230 |
5 | 12444404034141044202 |
6 | 144521124405054140 |
7 | 6266311631135310 |
oct | 674007604274054 |
9 | 130028054146136 |
10 | 30512489003052 |
11 | 97a4301646381 |
12 | 35096369b7350 |
13 | 1404413b26354 |
14 | 776b5311db40 |
15 | 37da770725bc |
hex | 1bc03e11782c |
30512489003052 has 96 divisors (see below), whose sum is σ = 81505453628928. Its totient is φ = 8702983263744.
The previous prime is 30512489003047. The next prime is 30512489003063. The reversal of 30512489003052 is 25030098421503.
It is a super-2 number, since 2×305124890030522 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a junction number, because it is equal to n+sod(n) for n = 30512489002995 and 30512489003013.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 972122103 + ... + 972153489.
It is an arithmetic number, because the mean of its divisors is an integer number (849015141968).
Almost surely, 230512489003052 is an apocalyptic number.
It is an amenable number.
30512489003052 is an abundant number, since it is smaller than the sum of its proper divisors (50992964625876).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30512489003052 is a wasteful number, since it uses less digits than its factorization.
30512489003052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50775 (or 50773 counting only the distinct ones).
The product of its (nonzero) digits is 259200, while the sum is 42.
The spelling of 30512489003052 in words is "thirty trillion, five hundred twelve billion, four hundred eighty-nine million, three thousand, fifty-two".
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