Search a number
-
+
23223130440550 = 252793358548167
BaseRepresentation
bin1010100011111000011100…
…11100001100001101100110
310001020002221220000120222121
411101330032130030031212
511020441432343044200
6121220320413220154
74614546551516515
oct521741634141546
9101202856016877
1023223130440550
117443968787287
12273096b49165a
13cc5c16233101
145a401119a67c
152a4148527e1a
hex151f0e70c366

23223130440550 has 24 divisors (see below), whose sum is σ = 43200468336816. Its totient is φ = 9288081054240.

The previous prime is 23223130440547. The next prime is 23223130440613. The reversal of 23223130440550 is 5504403132232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28877434 + ... + 29670733.

It is an arithmetic number, because the mean of its divisors is an integer number (1800019514034).

Almost surely, 223223130440550 is an apocalyptic number.

23223130440550 is a deficient number, since it is larger than the sum of its proper divisors (19977337896266).

23223130440550 is a wasteful number, since it uses less digits than its factorization.

23223130440550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58556112 (or 58556107 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 23223130440550 its reverse (5504403132232), we get a palindrome (28727533572782).

The spelling of 23223130440550 in words is "twenty-three trillion, two hundred twenty-three billion, one hundred thirty million, four hundred forty thousand, five hundred fifty".

Divisors: 1 2 5 10 25 50 7933 15866 39665 79330 198325 396650 58548167 117096334 292740835 585481670 1463704175 2927408350 464462608811 928925217622 2322313044055 4644626088110 11611565220275 23223130440550