Base | Representation |
---|---|
bin | 10010111101100100… |
… | …00111000010001101 |
3 | 222021110201010112110 |
4 | 21132302013002031 |
5 | 131322103111114 |
6 | 4402055254233 |
7 | 510162445056 |
oct | 113662070215 |
9 | 28243633473 |
10 | 10180128909 |
11 | 4354465585 |
12 | 1b8137a379 |
13 | c63107c22 |
14 | 6c805172d |
15 | 3e8ade759 |
hex | 25ec8708d |
10180128909 has 8 divisors (see below), whose sum is σ = 13705287232. Its totient is φ = 6720861600.
The previous prime is 10180128851. The next prime is 10180128911. The reversal of 10180128909 is 90982108101.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 10180128909 - 29 = 10180128397 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10180128949) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16472392 + ... + 16473009.
It is an arithmetic number, because the mean of its divisors is an integer number (1713160904).
Almost surely, 210180128909 is an apocalyptic number.
It is an amenable number.
10180128909 is a deficient number, since it is larger than the sum of its proper divisors (3525158323).
10180128909 is a wasteful number, since it uses less digits than its factorization.
10180128909 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32945507.
The product of its (nonzero) digits is 10368, while the sum is 39.
The spelling of 10180128909 in words is "ten billion, one hundred eighty million, one hundred twenty-eight thousand, nine hundred nine".
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