Search a number
-
+
23344442320 = 2451979147451
BaseRepresentation
bin10101101111011011…
…111110101111010000
32020020220200112121211
4111233123332233100
5340302134123240
614420240225504
71454332325413
oct255733765720
966226615554
1023344442320
11999a369041
12463600b294
13228054a7a4
1411b654db7a
1591969bbea
hex56f6febd0

23344442320 has 40 divisors (see below), whose sum is σ = 54303622560. Its totient is φ = 9332995200.

The previous prime is 23344442257. The next prime is 23344442323. The reversal of 23344442320 is 2324444332.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23344442323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84595 + ... + 232045.

It is an arithmetic number, because the mean of its divisors is an integer number (1357590564).

Almost surely, 223344442320 is an apocalyptic number.

23344442320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23344442320 is an abundant number, since it is smaller than the sum of its proper divisors (30959180240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23344442320 is a wasteful number, since it uses less digits than its factorization.

23344442320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149443 (or 149437 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 31.

Adding to 23344442320 its reverse (2324444332), we get a palindrome (25668886652).

The spelling of 23344442320 in words is "twenty-three billion, three hundred forty-four million, four hundred forty-two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1979 3958 7916 9895 15832 19790 31664 39580 79160 147451 158320 294902 589804 737255 1179608 1474510 2359216 2949020 5898040 11796080 291805529 583611058 1167222116 1459027645 2334444232 2918055290 4668888464 5836110580 11672221160 23344442320