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24221440242 = 23231103421433
BaseRepresentation
bin10110100011101101…
…011101100011110010
32022112000220122121100
4112203231131203302
5344101142041432
615043245305230
71515141562566
oct264355354362
968460818540
1024221440242
11a2aa40a60a
12483b865216
13239014c47c
14125abdd6a6
1596b68307c
hex5a3b5d8f2

24221440242 has 48 divisors (see below), whose sum is σ = 54698761728. Its totient is φ = 7737491520.

The previous prime is 24221440237. The next prime is 24221440247. The reversal of 24221440242 is 24204412242.

24221440242 is a `hidden beast` number, since 2 + 4 + 2 + 214 + 402 + 42 = 666.

It is an interprime number because it is at equal distance from previous prime (24221440237) and next prime (24221440247).

It is not an unprimeable number, because it can be changed into a prime (24221440247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153243 + ... + 268190.

It is an arithmetic number, because the mean of its divisors is an integer number (1139557536).

Almost surely, 224221440242 is an apocalyptic number.

24221440242 is an abundant number, since it is smaller than the sum of its proper divisors (30477321486).

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

24221440242 is a wasteful number, since it uses less digits than its factorization.

24221440242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421575 (or 421572 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 24221440242 its reverse (24204412242), we get a palindrome (48425852484).

The spelling of 24221440242 in words is "twenty-four billion, two hundred twenty-one million, four hundred forty thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 31 62 93 103 186 206 279 309 558 618 927 1854 3193 6386 9579 19158 28737 57474 421433 842866 1264299 2528598 3792897 7585794 13064423 26128846 39193269 43407599 78386538 86815198 117579807 130222797 235159614 260445594 390668391 781336782 1345635569 2691271138 4036906707 8073813414 12110720121 24221440242