Base | Representation |
---|---|
bin | 10101101101100000… |
… | …010011001001000000 |
3 | 2020011122200022121100 |
4 | 111231200103021000 |
5 | 340220334120112 |
6 | 14413121254400 |
7 | 1453456620660 |
oct | 255540231100 |
9 | 66148608540 |
10 | 23312020032 |
11 | 9983033764 |
12 | 4627194400 |
13 | 22769080c2 |
14 | 11b21101a0 |
15 | 9168e52dc |
hex | 56d813240 |
23312020032 has 168 divisors, whose sum is σ = 80857685376. Its totient is φ = 6268760064.
The previous prime is 23312020027. The next prime is 23312020091. The reversal of 23312020032 is 23002021332.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (168).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 23312019987 and 23312020014.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101508 + ... + 238595.
Almost surely, 223312020032 is an apocalyptic number.
It is an amenable number.
23312020032 is an abundant number, since it is smaller than the sum of its proper divisors (57545665344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23312020032 is a wasteful number, since it uses less digits than its factorization.
23312020032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 340145 (or 340132 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 23312020032 its reverse (23002021332), we get a palindrome (46314041364).
The spelling of 23312020032 in words is "twenty-three billion, three hundred twelve million, twenty thousand, thirty-two".
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