Base | Representation |
---|---|
bin | 111100111100110… |
… | …1000111011111100 |
3 | 12021112022112112011 |
4 | 1321321220323330 |
5 | 13142024344040 |
6 | 534534421004 |
7 | 101452341151 |
oct | 17171507374 |
9 | 5245275464 |
10 | 2045153020 |
11 | 95a487809 |
12 | 490b01764 |
13 | 267926521 |
14 | 155890228 |
15 | be8313ea |
hex | 79e68efc |
2045153020 has 24 divisors (see below), whose sum is σ = 4311942768. Its totient is φ = 814800000.
The previous prime is 2045153003. The next prime is 2045153041. The reversal of 2045153020 is 203515402.
It is a junction number, because it is equal to n+sod(n) for n = 2045152982 and 2045153000.
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, 198681 + ... + 208720.
It is an arithmetic number, because the mean of its divisors is an integer number (179664282).
Almost surely, 22045153020 is an apocalyptic number.
2045153020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2045153020 is an abundant number, since it is smaller than the sum of its proper divisors (2266789748).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2045153020 is a wasteful number, since it uses less digits than its factorization.
2045153020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 407661 (or 407659 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 22.
The square root of 2045153020 is about 45223.3680744811. The cubic root of 2045153020 is about 1269.3321182935.
Adding to 2045153020 its reverse (203515402), we get a palindrome (2248668422).
The spelling of 2045153020 in words is "two billion, forty-five million, one hundred fifty-three thousand, twenty".
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