Base | Representation |
---|---|
bin | 100001101000011010… |
… | …0011000111110000110 |
3 | 20220102100002000020002 |
4 | 1003100310120332012 |
5 | 2140403023341210 |
6 | 53102334441302 |
7 | 5134515164243 |
oct | 1032064307606 |
9 | 226370060202 |
10 | 72222871430 |
11 | 286a1a232a6 |
12 | 11bb7363232 |
13 | 6a6cb263a8 |
14 | 36d1d285ca |
15 | 1d2a8494a5 |
hex | 10d0d18f86 |
72222871430 has 16 divisors (see below), whose sum is σ = 130032743040. Its totient is φ = 28882132032.
The previous prime is 72222871403. The next prime is 72222871453. The reversal of 72222871430 is 3417822227.
It is a super-2 number, since 2×722228714302 (a number of 23 digits) contains 22 as substring.
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, 833735 + ... + 916274.
It is an arithmetic number, because the mean of its divisors is an integer number (8127046440).
Almost surely, 272222871430 is an apocalyptic number.
72222871430 is a deficient number, since it is larger than the sum of its proper divisors (57809871610).
72222871430 is a wasteful number, since it uses less digits than its factorization.
72222871430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1754143.
The product of its (nonzero) digits is 75264, while the sum is 38.
The spelling of 72222871430 in words is "seventy-two billion, two hundred twenty-two million, eight hundred seventy-one thousand, four hundred thirty".
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