Base | Representation |
---|---|
bin | 10111010010011000… |
… | …10001001100000110 |
3 | 1012021022011200221000 |
4 | 23221030101030012 |
5 | 201101033221204 |
6 | 5424330234130 |
7 | 621550206201 |
oct | 135114211406 |
9 | 35238150830 |
10 | 12502242054 |
11 | 533620a555 |
12 | 250ab85946 |
13 | 1243223283 |
14 | 8685d8938 |
15 | 4d28cd039 |
hex | 2e9311306 |
12502242054 has 32 divisors (see below), whose sum is σ = 27787069440. Its totient is φ = 4166767656.
The previous prime is 12502242029. The next prime is 12502242059. The reversal of 12502242054 is 45024220521.
It is a super-2 number, since 2×125022420542 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12502242059) 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, 441099 + ... + 468585.
It is an arithmetic number, because the mean of its divisors is an integer number (868345920).
Almost surely, 212502242054 is an apocalyptic number.
12502242054 is an abundant number, since it is smaller than the sum of its proper divisors (15284827386).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12502242054 is a wasteful number, since it uses less digits than its factorization.
12502242054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35921 (or 35915 counting only the distinct ones).
The product of its (nonzero) digits is 6400, while the sum is 27.
Adding to 12502242054 its reverse (45024220521), we get a palindrome (57526462575).
The spelling of 12502242054 in words is "twelve billion, five hundred two million, two hundred forty-two thousand, fifty-four".
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