Base | Representation |
---|---|
bin | 11101010000001111… |
… | …011101110001010010 |
3 | 10000002002100020212010 |
4 | 131100033131301102 |
5 | 1003312204034300 |
6 | 22232514443350 |
7 | 2161252054422 |
oct | 352017356122 |
9 | 100062306763 |
10 | 31411002450 |
11 | 12359768063 |
12 | 6107593556 |
13 | 2c677c67a9 |
14 | 173d9c2482 |
15 | c3c943a50 |
hex | 7503ddc52 |
31411002450 has 96 divisors (see below), whose sum is σ = 78501975552. Its totient is φ = 8311680000.
The previous prime is 31411002437. The next prime is 31411002499. The reversal of 31411002450 is 5420011413.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16098975 + ... + 16100925.
It is an arithmetic number, because the mean of its divisors is an integer number (817728912).
Almost surely, 231411002450 is an apocalyptic number.
31411002450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 31411002450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39250987776).
31411002450 is an abundant number, since it is smaller than the sum of its proper divisors (47090973102).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31411002450 is a wasteful number, since it uses less digits than its factorization.
31411002450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2740 (or 2735 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 21.
Adding to 31411002450 its reverse (5420011413), we get a palindrome (36831013863).
The spelling of 31411002450 in words is "thirty-one billion, four hundred eleven million, two thousand, four hundred fifty".
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