Base | Representation |
---|---|
bin | 101111100001010101… |
… | …011001101100101111 |
3 | 11212201000202212120201 |
4 | 233201111121230233 |
5 | 1313444412433033 |
6 | 35235101254331 |
7 | 3454310253610 |
oct | 574125315457 |
9 | 155630685521 |
10 | 51025124143 |
11 | 1a704396a94 |
12 | 9a802643a7 |
13 | 4a72265766 |
14 | 268093bc07 |
15 | 14d988a47d |
hex | be1559b2f |
51025124143 has 16 divisors (see below), whose sum is σ = 59750966016. Its totient is φ = 42658925760.
The previous prime is 51025124063. The next prime is 51025124201. The reversal of 51025124143 is 34142152015.
It is a cyclic number.
It is not a de Polignac number, because 51025124143 - 29 = 51025123631 is a prime.
It is a super-2 number, since 2×510251241432 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51025124543) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1336680 + ... + 1374322.
It is an arithmetic number, because the mean of its divisors is an integer number (3734435376).
Almost surely, 251025124143 is an apocalyptic number.
51025124143 is a deficient number, since it is larger than the sum of its proper divisors (8725841873).
51025124143 is a wasteful number, since it uses less digits than its factorization.
51025124143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42414.
The product of its (nonzero) digits is 4800, while the sum is 28.
Adding to 51025124143 its reverse (34142152015), we get a palindrome (85167276158).
The spelling of 51025124143 in words is "fifty-one billion, twenty-five million, one hundred twenty-four thousand, one hundred forty-three".
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