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23332224540 = 2235388870409
BaseRepresentation
bin10101101110101101…
…010111111000011100
32020020001200210222110
4111232231113320130
5340241022141130
614415122314020
71454123431152
oct255655277034
966201623873
1023332224540
1199934836a9
124631ab8910
13227ab60631
1411b4a8d3d2
15918586ab0
hex56eb57e1c

23332224540 has 24 divisors (see below), whose sum is σ = 65330228880. Its totient is φ = 6221926528.

The previous prime is 23332224533. The next prime is 23332224593. The reversal of 23332224540 is 4542223332.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 23332224498 and 23332224507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194435145 + ... + 194435264.

It is an arithmetic number, because the mean of its divisors is an integer number (2722092870).

Almost surely, 223332224540 is an apocalyptic number.

23332224540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23332224540 is an abundant number, since it is smaller than the sum of its proper divisors (41998004340).

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

23332224540 is a wasteful number, since it uses less digits than its factorization.

23332224540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388870421 (or 388870419 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 30.

Adding to 23332224540 its reverse (4542223332), we get a palindrome (27874447872).

The spelling of 23332224540 in words is "twenty-three billion, three hundred thirty-two million, two hundred twenty-four thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 388870409 777740818 1166611227 1555481636 1944352045 2333222454 3888704090 4666444908 5833056135 7777408180 11666112270 23332224540