Base | Representation |
---|---|
bin | 111111111011010… |
… | …000110110100001 |
3 | 2202202002122121000 |
4 | 333323100312201 |
5 | 4144030001004 |
6 | 254231222213 |
7 | 35402046351 |
oct | 7773206641 |
9 | 2682078530 |
10 | 1072500129 |
11 | 500442248 |
12 | 25b217969 |
13 | 14127297c |
14 | a2620b61 |
15 | 64252c39 |
hex | 3fed0da1 |
1072500129 has 32 divisors (see below), whose sum is σ = 1617305600. Its totient is φ = 702308880.
The previous prime is 1072500119. The next prime is 1072500151. The reversal of 1072500129 is 9210052701.
It is not a de Polignac number, because 1072500129 - 27 = 1072500001 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1072500119) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 448872 + ... + 451254.
It is an arithmetic number, because the mean of its divisors is an integer number (50540800).
Almost surely, 21072500129 is an apocalyptic number.
It is an amenable number.
1072500129 is a deficient number, since it is larger than the sum of its proper divisors (544805471).
1072500129 is a wasteful number, since it uses less digits than its factorization.
1072500129 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2682 (or 2676 counting only the distinct ones).
The product of its (nonzero) digits is 1260, while the sum is 27.
The square root of 1072500129 is about 32749.0477571486. The cubic root of 1072500129 is about 1023.6051235366.
The spelling of 1072500129 in words is "one billion, seventy-two million, five hundred thousand, one hundred twenty-nine".
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