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21410132340 = 22352335872609
BaseRepresentation
bin10011111100001001…
…001011000101110100
32001021002221102011110
4103330021023011310
5322321443213330
613500301235020
71355364056622
oct237411130564
961232842143
1021410132340
119097509353
124196262a70
13203289327c
1410716b4512
15854962db0
hex4fc24b174

21410132340 has 96 divisors (see below), whose sum is σ = 60331340160. Its totient is φ = 5673005056.

The previous prime is 21410132339. The next prime is 21410132363. The reversal of 21410132340 is 4323101412.

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, 8204956 + ... + 8207564.

It is an arithmetic number, because the mean of its divisors is an integer number (628451460).

Almost surely, 221410132340 is an apocalyptic number.

21410132340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21410132340 is an abundant number, since it is smaller than the sum of its proper divisors (38921207820).

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

21410132340 is a wasteful number, since it uses less digits than its factorization.

21410132340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3441 (or 3439 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21410132340 its reverse (4323101412), we get a palindrome (25733233752).

The spelling of 21410132340 in words is "twenty-one billion, four hundred ten million, one hundred thirty-two thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 233 466 587 699 932 1165 1174 1398 1761 2330 2348 2609 2796 2935 3495 3522 4660 5218 5870 6990 7044 7827 8805 10436 11740 13045 13980 15654 17610 26090 31308 35220 39135 52180 78270 136771 156540 273542 410313 547084 607897 683855 820626 1215794 1367710 1531483 1641252 1823691 2051565 2431588 2735420 3039485 3062966 3647382 4103130 4594449 6078970 6125932 7294764 7657415 8206260 9118455 9188898 12157940 15314830 18236910 18377796 22972245 30629660 36473820 45944490 91888980 356835539 713671078 1070506617 1427342156 1784177695 2141013234 3568355390 4282026468 5352533085 7136710780 10705066170 21410132340