Base | Representation |
---|---|
bin | 10101011110110000… |
… | …100001101010000000 |
3 | 2012112102010212110110 |
4 | 111132300201222000 |
5 | 334214020144202 |
6 | 14332402431320 |
7 | 1444363666056 |
oct | 253660415200 |
9 | 65472125413 |
10 | 23064615552 |
11 | 9866413050 |
12 | 4578362540 |
13 | 2237593c14 |
14 | 118b30c1d6 |
15 | 8eed2526c |
hex | 55ec21a80 |
23064615552 has 128 divisors (see below), whose sum is σ = 66906385920. Its totient is φ = 6981811200.
The previous prime is 23064615517. The next prime is 23064615557. The reversal of 23064615552 is 25551646032.
It is a tau number, because it is divible by the number of its divisors (128).
It is a self number, because there is not a number n which added to its sum of digits gives 23064615552.
It is not an unprimeable number, because it can be changed into a prime (23064615557) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4943973 + ... + 4948635.
It is an arithmetic number, because the mean of its divisors is an integer number (522706140).
Almost surely, 223064615552 is an apocalyptic number.
23064615552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23064615552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33453192960).
23064615552 is an abundant number, since it is smaller than the sum of its proper divisors (43841770368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23064615552 is a wasteful number, since it uses less digits than its factorization.
23064615552 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5862 (or 5850 counting only the distinct ones).
The product of its (nonzero) digits is 216000, while the sum is 39.
The spelling of 23064615552 in words is "twenty-three billion, sixty-four million, six hundred fifteen thousand, five hundred fifty-two".
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