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43133220424 = 23719337120293
BaseRepresentation
bin101000001010111100…
…001011011001001000
311010100000202121220101
4220022330023121020
51201314101023144
631452022335144
73054611216140
oct501274133110
9133300677811
1043133220424
111732463aa08
12843928a4b4
1340b523c348
142132771920
1511c6ae36d4
hexa0af0b648

43133220424 has 64 divisors (see below), whose sum is σ = 97582492800. Its totient is φ = 17460624384.

The previous prime is 43133220421. The next prime is 43133220433. The reversal of 43133220424 is 42402233134.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 43133220392 and 43133220401.

It is not an unprimeable number, because it can be changed into a prime (43133220421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298422 + ... + 418714.

It is an arithmetic number, because the mean of its divisors is an integer number (1524726450).

Almost surely, 243133220424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43133220424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48791246400).

43133220424 is an abundant number, since it is smaller than the sum of its proper divisors (54449272376).

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

43133220424 is a wasteful number, since it uses less digits than its factorization.

43133220424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120662 (or 120658 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 43133220424 its reverse (42402233134), we get a palindrome (85535453558).

The spelling of 43133220424 in words is "forty-three billion, one hundred thirty-three million, two hundred twenty thousand, four hundred twenty-four".

Divisors: 1 2 4 7 8 14 19 28 38 56 76 133 152 266 337 532 674 1064 1348 2359 2696 4718 6403 9436 12806 18872 25612 44821 51224 89642 120293 179284 240586 358568 481172 842051 962344 1684102 2285567 3368204 4571134 6736408 9142268 15998969 18284536 31997938 40538741 63995876 81077482 127991752 162154964 283771187 324309928 567542374 770236079 1135084748 1540472158 2270169496 3080944316 5391652553 6161888632 10783305106 21566610212 43133220424