Base | Representation |
---|---|
bin | 10010111001000100… |
… | …10000110100011110 |
3 | 222011211202022222121 |
4 | 21130202100310132 |
5 | 131232424422004 |
6 | 4354231133154 |
7 | 506224102231 |
oct | 113442206436 |
9 | 28154668877 |
10 | 10142420254 |
11 | 433514a4aa |
12 | 1b708141ba |
13 | c58364305 |
14 | 6c3037418 |
15 | 3e5641854 |
hex | 25c890d1e |
10142420254 has 8 divisors (see below), whose sum is σ = 15217752168. Its totient is φ = 5069836200.
The previous prime is 10142420237. The next prime is 10142420263. The reversal of 10142420254 is 45202424101.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677712 + ... + 692515.
It is an arithmetic number, because the mean of its divisors is an integer number (1902219021).
Almost surely, 210142420254 is an apocalyptic number.
10142420254 is a deficient number, since it is larger than the sum of its proper divisors (5075331914).
10142420254 is a wasteful number, since it uses less digits than its factorization.
10142420254 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1373930.
The product of its (nonzero) digits is 2560, while the sum is 25.
Adding to 10142420254 its reverse (45202424101), we get a palindrome (55344844355).
The spelling of 10142420254 in words is "ten billion, one hundred forty-two million, four hundred twenty thousand, two hundred fifty-four".
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