Base | Representation |
---|---|
bin | 10010000111111110010… |
… | …101010000000010111000 |
3 | 11102001212220120021222102 |
4 | 102013332111100002320 |
5 | 130401302202012102 |
6 | 2352103000042532 |
7 | 155661650562110 |
oct | 22077625200270 |
9 | 4361786507872 |
10 | 1245512532152 |
11 | 440245399129 |
12 | 18147b763448 |
13 | 905b374b1c5 |
14 | 443d6c92040 |
15 | 225ea61a402 |
hex | 121fe5500b8 |
1245512532152 has 32 divisors (see below), whose sum is σ = 2712708801120. Its totient is φ = 525040410240.
The previous prime is 1245512532107. The next prime is 1245512532281. The reversal of 1245512532152 is 2512352155421.
It is a super-2 number, since 2×12455125321522 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182302283 + ... + 182309114.
It is an arithmetic number, because the mean of its divisors is an integer number (84772150035).
Almost surely, 21245512532152 is an apocalyptic number.
It is an amenable number.
1245512532152 is an abundant number, since it is smaller than the sum of its proper divisors (1467196268968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1245512532152 is a wasteful number, since it uses less digits than its factorization.
1245512532152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 364611471 (or 364611467 counting only the distinct ones).
The product of its digits is 120000, while the sum is 38.
Adding to 1245512532152 its reverse (2512352155421), we get a palindrome (3757864687573).
The spelling of 1245512532152 in words is "one trillion, two hundred forty-five billion, five hundred twelve million, five hundred thirty-two thousand, one hundred fifty-two".
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