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21202201231032 = 2337392423493369
BaseRepresentation
bin1001101001000100001011…
…01011000011111010111000
32210001220120212011201221110
410310202011223003322320
510234334102003343112
6113032053510440320
74315544211622053
oct464420553037270
983056525151843
1021202201231032
116834891944628
1224651663630a0
13baa4889414c3
14534298c63a9a
1526b7b7e3313c
hex134885ac3eb8

21202201231032 has 64 divisors (see below), whose sum is σ = 53099242272000. Its totient is φ = 7054909795584.

The previous prime is 21202201231027. The next prime is 21202201231051. The reversal of 21202201231032 is 23013210220212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42727644 + ... + 43221012.

It is an arithmetic number, because the mean of its divisors is an integer number (829675660500).

Almost surely, 221202201231032 is an apocalyptic number.

It is an amenable number.

21202201231032 is an abundant number, since it is smaller than the sum of its proper divisors (31897041040968).

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

21202201231032 is a wasteful number, since it uses less digits than its factorization.

21202201231032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496540 (or 496536 counting only the distinct ones).

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

Adding to 21202201231032 its reverse (23013210220212), we get a palindrome (44215411451244).

The spelling of 21202201231032 in words is "twenty-one trillion, two hundred two billion, two hundred one million, two hundred thirty-one thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 24 739 1478 2217 2423 2956 4434 4846 5912 7269 8868 9692 14538 17736 19384 29076 58152 493369 986738 1480107 1790597 1973476 2960214 3581194 3946952 5371791 5920428 7162388 10743582 11840856 14324776 21487164 42974328 364599691 729199382 1093799073 1195433087 1458398764 2187598146 2390866174 2916797528 3586299261 4375196292 4781732348 7172598522 8750392584 9563464696 14345197044 28690394088 883425051293 1766850102586 2650275153879 3533700205172 5300550307758 7067400410344 10601100615516 21202201231032