Base | Representation |
---|---|
bin | 111100101010000111… |
… | …1101001001011010000 |
3 | 110110020012200211202122 |
4 | 1321110033221023100 |
5 | 4113234133441330 |
6 | 135501451233412 |
7 | 12261011115650 |
oct | 1712417511320 |
9 | 413205624678 |
10 | 130262405840 |
11 | 50275806566 |
12 | 212b4748868 |
13 | c38c36bb68 |
14 | 643a294360 |
15 | 35c5de85e5 |
hex | 1e543e92d0 |
130262405840 has 40 divisors (see below), whose sum is σ = 346125822720. Its totient is φ = 44661396096.
The previous prime is 130262405839. The next prime is 130262405851. The reversal of 130262405840 is 48504262031.
130262405840 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (40).
It is a super-2 number, since 2×1302624058402 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a self number, because there is not a number n which added to its sum of digits gives 130262405840.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116305160 + ... + 116306279.
It is an arithmetic number, because the mean of its divisors is an integer number (8653145568).
Almost surely, 2130262405840 is an apocalyptic number.
130262405840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130262405840 is an abundant number, since it is smaller than the sum of its proper divisors (215863416880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130262405840 is a wasteful number, since it uses less digits than its factorization.
130262405840 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 232611459 (or 232611453 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 35.
Adding to 130262405840 its reverse (48504262031), we get a palindrome (178766667871).
The spelling of 130262405840 in words is "one hundred thirty billion, two hundred sixty-two million, four hundred five thousand, eight hundred forty".
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