Base | Representation |
---|---|
bin | 11101100011101101101… |
… | …011011001011001001000 |
3 | 21012011220122222211222010 |
4 | 131203231223121121020 |
5 | 231234410301440404 |
6 | 4153043113255520 |
7 | 266515221214050 |
oct | 35435553313110 |
9 | 7164818884863 |
10 | 2031212140104 |
11 | 7134833326a4 |
12 | 2897b4a045a0 |
13 | 119708ab1624 |
14 | 7044dca8560 |
15 | 37c8323e189 |
hex | 1d8edad9648 |
2031212140104 has 128 divisors (see below), whose sum is σ = 5849063700480. Its totient is φ = 575788262400.
The previous prime is 2031212140093. The next prime is 2031212140123. The reversal of 2031212140104 is 4010412121302.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146852469 + ... + 146866299.
It is an arithmetic number, because the mean of its divisors is an integer number (45695810160).
Almost surely, 22031212140104 is an apocalyptic number.
2031212140104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2031212140104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2924531850240).
2031212140104 is an abundant number, since it is smaller than the sum of its proper divisors (3817851560376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2031212140104 is a wasteful number, since it uses less digits than its factorization.
2031212140104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20651 (or 20647 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 21.
Adding to 2031212140104 its reverse (4010412121302), we get a palindrome (6041624261406).
The spelling of 2031212140104 in words is "two trillion, thirty-one billion, two hundred twelve million, one hundred forty thousand, one hundred four".
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