Search a number
-
+
23303423312 = 2413994911261
BaseRepresentation
bin10101101100111111…
…100000010101010000
32020011001111120010022
4111230333200111100
5340211134021222
614412213123012
71453323554441
oct255477402520
966131446108
1023303423312
1199791a1934
124624329468
132274bb81a0
1411b0d132c8
15915c98042
hex56cfe0550

23303423312 has 40 divisors (see below), whose sum is σ = 48632694600. Its totient is φ = 10753390080.

The previous prime is 23303423249. The next prime is 23303423347. The reversal of 23303423312 is 21332430332.

It can be written as a sum of positive squares in 4 ways, for example, as 5160410896 + 18143012416 = 71836^2 + 134696^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2063762 + ... + 2075022.

It is an arithmetic number, because the mean of its divisors is an integer number (1215817365).

Almost surely, 223303423312 is an apocalyptic number.

It is an amenable number.

23303423312 is an abundant number, since it is smaller than the sum of its proper divisors (25329271288).

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

23303423312 is a wasteful number, since it uses less digits than its factorization.

23303423312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21231 (or 21225 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 23303423312 its reverse (21332430332), we get a palindrome (44635853644).

The spelling of 23303423312 in words is "twenty-three billion, three hundred three million, four hundred twenty-three thousand, three hundred twelve".

Divisors: 1 2 4 8 13 16 26 52 104 208 9949 11261 19898 22522 39796 45044 79592 90088 129337 146393 159184 180176 258674 292786 517348 585572 1034696 1171144 2069392 2342288 112035689 224071378 448142756 896285512 1456463957 1792571024 2912927914 5825855828 11651711656 23303423312