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23240023620 = 22351135212157
BaseRepresentation
bin10101101001001101…
…101001111001000100
32012222122012112002120
4111221031221321010
5340043421223440
614402030205540
71451623640622
oct255115517104
965878175076
1023240023620
1199464297a0
1246070538b0
132264a1a988
1411a672c512
15910422dd0
hex569369e44

23240023620 has 48 divisors (see below), whose sum is σ = 70987710528. Its totient is φ = 5633944960.

The previous prime is 23240023613. The next prime is 23240023657. The reversal of 23240023620 is 2632004232.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 17605419 + ... + 17606738.

It is an arithmetic number, because the mean of its divisors is an integer number (1478910636).

Almost surely, 223240023620 is an apocalyptic number.

23240023620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23240023620 is an abundant number, since it is smaller than the sum of its proper divisors (47747686908).

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

23240023620 is a wasteful number, since it uses less digits than its factorization.

23240023620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35212180 (or 35212178 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 23240023620 its reverse (2632004232), we get a palindrome (25872027852).

The spelling of 23240023620 in words is "twenty-three billion, two hundred forty million, twenty-three thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 35212157 70424314 105636471 140848628 176060785 211272942 352121570 387333727 422545884 528182355 704243140 774667454 1056364710 1162001181 1549334908 1936668635 2112729420 2324002362 3873337270 4648004724 5810005905 7746674540 11620011810 23240023620