Base | Representation |
---|---|
bin | 1011010111100110100110… |
… | …1010001100011101101100 |
3 | 1122021000000101012111100101 |
4 | 2311321221222030131230 |
5 | 3114300230120001030 |
6 | 42330251310040444 |
7 | 2430050545431400 |
oct | 265715152143554 |
9 | 48230011174311 |
10 | 12500127500140 |
11 | 3a8a302107015 |
12 | 149a7374a9124 |
13 | 6c89ac08c317 |
14 | 31301bb11100 |
15 | 16a254d3b7ca |
hex | b5e69a8c76c |
12500127500140 has 72 divisors (see below), whose sum is σ = 31280806966752. Its totient is φ = 4181227303680.
The previous prime is 12500127500123. The next prime is 12500127500171. The reversal of 12500127500140 is 4100572100521.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a junction number, because it is equal to n+sod(n) for n = 12500127500099 and 12500127500108.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 155511432 + ... + 155591791.
It is an arithmetic number, because the mean of its divisors is an integer number (434455652316).
Almost surely, 212500127500140 is an apocalyptic number.
12500127500140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12500127500140 is an abundant number, since it is smaller than the sum of its proper divisors (18780679466612).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12500127500140 is a wasteful number, since it uses less digits than its factorization.
12500127500140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 311103287 (or 311103278 counting only the distinct ones).
The product of its (nonzero) digits is 2800, while the sum is 28.
Adding to 12500127500140 its reverse (4100572100521), we get a palindrome (16600699600661).
The spelling of 12500127500140 in words is "twelve trillion, five hundred billion, one hundred twenty-seven million, five hundred thousand, one hundred forty".
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