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14552421240 = 2335720838317
BaseRepresentation
bin11011000110110010…
…00101001101111000
31101120011221121001110
431203121011031320
5214300404434430
610404004520320
71023423353040
oct154331051570
941504847043
1014552421240
11619850a515
1229a16b00a0
1314abbb9456
149c09d6720
155a28a37b0
hex363645378

14552421240 has 128 divisors (see below), whose sum is σ = 49923970560. Its totient is φ = 3324271104.

The previous prime is 14552421203. The next prime is 14552421253. The reversal of 14552421240 is 4212425541.

14552421240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 14552421198 and 14552421207.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 1745562 + ... + 1753878.

It is an arithmetic number, because the mean of its divisors is an integer number (390031020).

Almost surely, 214552421240 is an apocalyptic number.

14552421240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14552421240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24961985280).

14552421240 is an abundant number, since it is smaller than the sum of its proper divisors (35371549320).

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

14552421240 is a wasteful number, since it uses less digits than its factorization.

14552421240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10421 (or 10417 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 14552421240 its reverse (4212425541), we get a palindrome (18764846781).

The spelling of 14552421240 in words is "fourteen billion, five hundred fifty-two million, four hundred twenty-one thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 2083 4166 6249 8317 8332 10415 12498 14581 16634 16664 20830 24951 24996 29162 31245 33268 41585 41660 43743 49902 49992 58219 58324 62490 66536 72905 83170 83320 87486 99804 116438 116648 124755 124980 145810 166340 174657 174972 199608 218715 232876 249510 249960 291095 291620 332680 349314 349944 437430 465752 499020 582190 583240 698628 873285 874860 998040 1164380 1397256 1746570 1749720 2328760 3493140 6986280 17324311 34648622 51972933 69297244 86621555 103945866 121270177 138594488 173243110 207891732 242540354 259864665 346486220 363810531 415783464 485080708 519729330 606350885 692972440 727621062 970161416 1039458660 1212701770 1455242124 1819052655 2078917320 2425403540 2910484248 3638105310 4850807080 7276210620 14552421240