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21050410232 = 2319437344119
BaseRepresentation
bin10011100110101100…
…111100010011111000
32000100001001122012102
4103212230330103320
5321102401111412
613400451202532
71343435351255
oct234654742370
960301048172
1021050410232
118a22453855
1240b58a6448
131ca61b4b57
1410399d642c
158330a88c2
hex4e6b3c4f8

21050410232 has 64 divisors (see below), whose sum is σ = 43096416000. Its totient is φ = 9605723904.

The previous prime is 21050410201. The next prime is 21050410237. The reversal of 21050410232 is 23201405012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21050410237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455069 + ... + 499187.

It is an arithmetic number, because the mean of its divisors is an integer number (673381500).

Almost surely, 221050410232 is an apocalyptic number.

It is an amenable number.

21050410232 is an abundant number, since it is smaller than the sum of its proper divisors (22046005768).

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

21050410232 is a wasteful number, since it uses less digits than its factorization.

21050410232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44260 (or 44256 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 21050410232 its reverse (23201405012), we get a palindrome (44251815244).

The spelling of 21050410232 in words is "twenty-one billion, fifty million, four hundred ten thousand, two hundred thirty-two".

Divisors: 1 2 4 8 19 38 43 73 76 86 146 152 172 292 344 584 817 1387 1634 2774 3139 3268 5548 6278 6536 11096 12556 25112 44119 59641 88238 119282 176476 238564 352952 477128 838261 1676522 1897117 3220687 3353044 3794234 6441374 6706088 7588468 12882748 15176936 25765496 36045223 61193053 72090446 122386106 138489541 144180892 244772212 276979082 288361784 489544424 553958164 1107916328 2631301279 5262602558 10525205116 21050410232