Base | Representation |
---|---|
bin | 10111011001010110… |
… | …100010010101001101 |
3 | 2101211202100100111110 |
4 | 113121112202111031 |
5 | 402422034301031 |
6 | 15312434442233 |
7 | 1546350243435 |
oct | 273126422515 |
9 | 71752310443 |
10 | 25121400141 |
11 | a721414822 |
12 | 4a51133379 |
13 | 24a4730816 |
14 | 13045492c5 |
15 | 9c06a2c46 |
hex | 5d95a254d |
25121400141 has 8 divisors (see below), whose sum is σ = 33504459840. Its totient is φ = 16742970272.
The previous prime is 25121400121. The next prime is 25121400163. The reversal of 25121400141 is 14100412152.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 25121400141 - 213 = 25121391949 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25121400121) 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, 1144776 + ... + 1166513.
It is an arithmetic number, because the mean of its divisors is an integer number (4188057480).
Almost surely, 225121400141 is an apocalyptic number.
It is an amenable number.
25121400141 is a deficient number, since it is larger than the sum of its proper divisors (8383059699).
25121400141 is a wasteful number, since it uses less digits than its factorization.
25121400141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2314915.
The product of its (nonzero) digits is 320, while the sum is 21.
Adding to 25121400141 its reverse (14100412152), we get a palindrome (39221812293).
The spelling of 25121400141 in words is "twenty-five billion, one hundred twenty-one million, four hundred thousand, one hundred forty-one".
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