Base | Representation |
---|---|
bin | 110110001110000101011… |
… | …0111011011111000110100 |
3 | 222101101210020200101020010 |
4 | 1230130022313123320310 |
5 | 1434043043321002433 |
6 | 23503213454340220 |
7 | 1366246165444200 |
oct | 154341267337064 |
9 | 28341706611203 |
10 | 7451950562868 |
11 | 2413399903519 |
12 | a042a31ba670 |
13 | 42093cb618a6 |
14 | 1ba967bd5b00 |
15 | cdc97d36e63 |
hex | 6c70addbe34 |
7451950562868 has 144 divisors (see below), whose sum is σ = 20882816392704. Its totient is φ = 2060090081280.
The previous prime is 7451950562867. The next prime is 7451950562923. The reversal of 7451950562868 is 8682650591547.
It is a junction number, because it is equal to n+sod(n) for n = 7451950562799 and 7451950562808.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7451950562863) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 115478580 + ... + 115543092.
Almost surely, 27451950562868 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 7451950562868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10441408196352).
7451950562868 is an abundant number, since it is smaller than the sum of its proper divisors (13430865829836).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7451950562868 is a wasteful number, since it uses less digits than its factorization.
7451950562868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70902 (or 70893 counting only the distinct ones).
The product of its (nonzero) digits is 145152000, while the sum is 66.
The spelling of 7451950562868 in words is "seven trillion, four hundred fifty-one billion, nine hundred fifty million, five hundred sixty-two thousand, eight hundred sixty-eight".
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