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10421441420 = 22513793131621
BaseRepresentation
bin10011011010010101…
…01001001110001100
3222220021210002001212
421231022221032030
5132320342111140
64442035353552
7516152535065
oct115512511614
928807702055
1010421441420
1144686a5205
12202a1528b8
13ca10c82b0
1470c10956c
1540eda9765
hex26d2a938c

10421441420 has 96 divisors (see below), whose sum is σ = 23957848320. Its totient is φ = 3784734720.

The previous prime is 10421441419. The next prime is 10421441431. The reversal of 10421441420 is 2414412401.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6428210 + ... + 6429830.

It is an arithmetic number, because the mean of its divisors is an integer number (249560920).

Almost surely, 210421441420 is an apocalyptic number.

10421441420 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 10421441420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11978924160).

10421441420 is an abundant number, since it is smaller than the sum of its proper divisors (13536406900).

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

10421441420 is a wasteful number, since it uses less digits than its factorization.

10421441420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035 (or 2033 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 10421441420 its reverse (2414412401), we get a palindrome (12835853821).

The spelling of 10421441420 in words is "ten billion, four hundred twenty-one million, four hundred forty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 79 130 158 260 313 316 395 626 790 1027 1252 1565 1580 1621 2054 3130 3242 4069 4108 5135 6260 6484 8105 8138 10270 16210 16276 20345 20540 21073 24727 32420 40690 42146 49454 81380 84292 98908 105365 123635 128059 210730 247270 256118 321451 421460 494540 507373 512236 640295 642902 1014746 1280590 1285804 1607255 1664767 2029492 2536865 2561180 3214510 3329534 5073730 6429020 6595849 6659068 8323835 10147460 13191698 16647670 26383396 32979245 33295340 40082467 65958490 80164934 131916980 160329868 200412335 400824670 521072071 801649340 1042144142 2084288284 2605360355 5210720710 10421441420