Base | Representation |
---|---|
bin | 111010011001100101… |
… | …0001110101001010111 |
3 | 102222201012111112202210 |
4 | 1310303022032221113 |
5 | 4023321031333111 |
6 | 133340314204503 |
7 | 12026556364533 |
oct | 1646312165127 |
9 | 388635445683 |
10 | 125412371031 |
11 | 49207017632 |
12 | 20380423733 |
13 | ba985c938c |
14 | 60da0acbc3 |
15 | 33e02160a6 |
hex | 1d3328ea57 |
125412371031 has 8 divisors (see below), whose sum is σ = 167225348224. Its totient is φ = 83603820600.
The previous prime is 125412371023. The next prime is 125412371041. The reversal of 125412371031 is 130173214521.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 125412371031 - 23 = 125412371023 is a prime.
It is a super-2 number, since 2×1254123710312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 125412371031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (125412371041) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1040011 + ... + 1154316.
It is an arithmetic number, because the mean of its divisors is an integer number (20903168528).
Almost surely, 2125412371031 is an apocalyptic number.
125412371031 is a deficient number, since it is larger than the sum of its proper divisors (41812977193).
125412371031 is a wasteful number, since it uses less digits than its factorization.
125412371031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2213381.
The product of its (nonzero) digits is 5040, while the sum is 30.
Adding to 125412371031 its reverse (130173214521), we get a palindrome (255585585552).
The spelling of 125412371031 in words is "one hundred twenty-five billion, four hundred twelve million, three hundred seventy-one thousand, thirty-one".
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