Base | Representation |
---|---|
bin | 11110111111111011110… |
… | …111011000110110011000 |
3 | 21112122111200212111000010 |
4 | 132333323313120312120 |
5 | 234400210002144230 |
6 | 4310341032241520 |
7 | 306622123513431 |
oct | 36777367306630 |
9 | 7478450774003 |
10 | 2130234412440 |
11 | 751477877502 |
12 | 2a4a2b2402a0 |
13 | 125b59b81694 |
14 | 75165138488 |
15 | 3a62b6e69b0 |
hex | 1effbdd8d98 |
2130234412440 has 64 divisors (see below), whose sum is σ = 6405531010560. Its totient is φ = 566744485760.
The previous prime is 2130234412429. The next prime is 2130234412469. The reversal of 2130234412440 is 442144320312.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 2130234412398 and 2130234412407.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20542194 + ... + 20645633.
It is an arithmetic number, because the mean of its divisors is an integer number (100086422040).
Almost surely, 22130234412440 is an apocalyptic number.
2130234412440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2130234412440 is an abundant number, since it is smaller than the sum of its proper divisors (4275296598120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2130234412440 is a wasteful number, since it uses less digits than its factorization.
2130234412440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41188272 (or 41188268 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 30.
Adding to 2130234412440 its reverse (442144320312), we get a palindrome (2572378732752).
The spelling of 2130234412440 in words is "two trillion, one hundred thirty billion, two hundred thirty-four million, four hundred twelve thousand, four hundred forty".
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