Search a number
-
+
23040343552 = 2975159921
BaseRepresentation
bin10101011101010011…
…111011111000000000
32012110201110201112111
4111131103323320000
5334141311443202
614330134305104
71443650455162
oct253523737000
965421421474
1023040343552
119853745146
1245701b8194
1322325461a5
141187dd0932
158ecb2d6d7
hex55d4fbe00

23040343552 has 40 divisors (see below), whose sum is σ = 46097754912. Its totient is φ = 11504640000.

The previous prime is 23040343517. The next prime is 23040343567. The reversal of 23040343552 is 25534304032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354552 + ... + 414472.

Almost surely, 223040343552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23040343552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23048877456).

23040343552 is an abundant number, since it is smaller than the sum of its proper divisors (23057411360).

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

23040343552 is an frugal number, since it uses more digits than its factorization.

23040343552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60690 (or 60674 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 23040343552 its reverse (25534304032), we get a palindrome (48574647584).

The spelling of 23040343552 in words is "twenty-three billion, forty million, three hundred forty-three thousand, five hundred fifty-two".

Divisors: 1 2 4 8 16 32 64 128 256 512 751 1502 3004 6008 12016 24032 48064 59921 96128 119842 192256 239684 384512 479368 958736 1917472 3834944 7669888 15339776 30679552 45000671 90001342 180002684 360005368 720010736 1440021472 2880042944 5760085888 11520171776 23040343552