Base | Representation |
---|---|
bin | 10010001101000101100… |
… | …010000001111111110000 |
3 | 11102121001111000210020202 |
4 | 102031011202001333300 |
5 | 130444023010011422 |
6 | 2354411415054332 |
7 | 156244665552140 |
oct | 22150542017760 |
9 | 4377044023222 |
10 | 1251002032112 |
11 | 442602040758 |
12 | 1825520713a8 |
13 | 90c79b26831 |
14 | 44797d74920 |
15 | 2281c513b92 |
hex | 12345881ff0 |
1251002032112 has 40 divisors (see below), whose sum is σ = 2801200399200. Its totient is φ = 530119636992.
The previous prime is 1251002032081. The next prime is 1251002032129. The reversal of 1251002032112 is 2112302001521.
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, 62740937 + ... + 62760872.
It is an arithmetic number, because the mean of its divisors is an integer number (70030009980).
Almost surely, 21251002032112 is an apocalyptic number.
It is an amenable number.
1251002032112 is an abundant number, since it is smaller than the sum of its proper divisors (1550198367088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1251002032112 is a wasteful number, since it uses less digits than its factorization.
1251002032112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 125501913 (or 125501907 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 20.
Adding to 1251002032112 its reverse (2112302001521), we get a palindrome (3363304033633).
The spelling of 1251002032112 in words is "one trillion, two hundred fifty-one billion, two million, thirty-two thousand, one hundred twelve".
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