Base | Representation |
---|---|
bin | 111010011010110100… |
… | …1100010000000000001 |
3 | 102222211010002011221202 |
4 | 1310311221202000001 |
5 | 4023412224144301 |
6 | 133344405230545 |
7 | 12030604343360 |
oct | 1646551420001 |
9 | 388733064852 |
10 | 125454131201 |
11 | 4922864a673 |
12 | 20392402455 |
13 | baa415b139 |
14 | 610185d7d7 |
15 | 33e3c1466b |
hex | 1d35a62001 |
125454131201 has 16 divisors (see below), whose sum is σ = 144386647680. Its totient is φ = 106776817920.
The previous prime is 125454131147. The next prime is 125454131233. The reversal of 125454131201 is 102131454521.
It is a happy number.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-125454131201 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (125454131251) 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, 478235 + ... + 692543.
It is an arithmetic number, because the mean of its divisors is an integer number (9024165480).
Almost surely, 2125454131201 is an apocalyptic number.
It is an amenable number.
125454131201 is a deficient number, since it is larger than the sum of its proper divisors (18932516479).
125454131201 is a wasteful number, since it uses less digits than its factorization.
125454131201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 214904.
The product of its (nonzero) digits is 4800, while the sum is 29.
Adding to 125454131201 its reverse (102131454521), we get a palindrome (227585585722).
The spelling of 125454131201 in words is "one hundred twenty-five billion, four hundred fifty-four million, one hundred thirty-one thousand, two hundred one".
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