Base | Representation |
---|---|
bin | 11000011100101001… |
… | …01010111111001110 |
3 | 1020212201101100010210 |
4 | 30032110222333032 |
5 | 203340022424440 |
6 | 10010222343250 |
7 | 643153242444 |
oct | 141624527716 |
9 | 36781340123 |
10 | 13125201870 |
11 | 562591a480 |
12 | 266372ab26 |
13 | 13122ca551 |
14 | 8c723ab94 |
15 | 51c433a80 |
hex | 30e52afce |
13125201870 has 32 divisors (see below), whose sum is σ = 34364165760. Its totient is φ = 3181867040.
The previous prime is 13125201863. The next prime is 13125201889. The reversal of 13125201870 is 7810252131.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19886340 + ... + 19886999.
It is an arithmetic number, because the mean of its divisors is an integer number (1073880180).
Almost surely, 213125201870 is an apocalyptic number.
13125201870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13125201870 is an abundant number, since it is smaller than the sum of its proper divisors (21238963890).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13125201870 is a wasteful number, since it uses less digits than its factorization.
13125201870 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39773360.
The product of its (nonzero) digits is 3360, while the sum is 30.
The spelling of 13125201870 in words is "thirteen billion, one hundred twenty-five million, two hundred one thousand, eight hundred seventy".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.086 sec. • engine limits •