Base | Representation |
---|---|
bin | 10111011011000110… |
… | …10110000001110011 |
3 | 1012110101211111211110 |
4 | 23231203112001303 |
5 | 201223300300201 |
6 | 5435502244403 |
7 | 623426064624 |
oct | 135543260163 |
9 | 35411744743 |
10 | 12575400051 |
11 | 5373538205 |
12 | 252b586703 |
13 | 1255429326 |
14 | 8741dda4b |
15 | 4d902e6d6 |
hex | 2ed8d6073 |
12575400051 has 16 divisors (see below), whose sum is σ = 16807133600. Its totient is φ = 8363658240.
The previous prime is 12575400037. The next prime is 12575400053. The reversal of 12575400051 is 15000457521.
It is not a de Polignac number, because 12575400051 - 213 = 12575391859 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12575399991 and 12575400018.
It is not an unprimeable number, because it can be changed into a prime (12575400053) 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, 3125421 + ... + 3129441.
It is an arithmetic number, because the mean of its divisors is an integer number (1050445850).
Almost surely, 212575400051 is an apocalyptic number.
12575400051 is a deficient number, since it is larger than the sum of its proper divisors (4231733549).
12575400051 is a wasteful number, since it uses less digits than its factorization.
12575400051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6246.
The product of its (nonzero) digits is 7000, while the sum is 30.
Adding to 12575400051 its reverse (15000457521), we get a palindrome (27575857572).
The spelling of 12575400051 in words is "twelve billion, five hundred seventy-five million, four hundred thousand, fifty-one".
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