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21401310404310 = 235760393828359
BaseRepresentation
bin1001101110110111000011…
…00000010001111011010110
32210202221112010012201220120
410313123201200101323112
510301114340430414220
6113303343135212410
74336123264644444
oct467334140217326
983687463181816
1021401310404310
1169012768794a1
122497873677106
13bc319a529475
1453db868d5b94
15271a6d08da40
hex1376e1811ed6

21401310404310 has 32 divisors (see below), whose sum is σ = 51369901159680. Its totient is φ = 5706265420128.

The previous prime is 21401310404303. The next prime is 21401310404339. The reversal of 21401310404310 is 1340401310412.

It is a super-3 number, since 3×214013104043103 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46686090 + ... + 47142269.

It is an arithmetic number, because the mean of its divisors is an integer number (1605309411240).

Almost surely, 221401310404310 is an apocalyptic number.

21401310404310 is an abundant number, since it is smaller than the sum of its proper divisors (29968590755370).

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

21401310404310 is a wasteful number, since it uses less digits than its factorization.

21401310404310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93835972.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 21401310404310 its reverse (1340401310412), we get a palindrome (22741711714722).

The spelling of 21401310404310 in words is "twenty-one trillion, four hundred one billion, three hundred ten million, four hundred four thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 7603 15206 22809 38015 45618 76030 114045 228090 93828359 187656718 281485077 469141795 562970154 938283590 1407425385 2814850770 713377013477 1426754026954 2140131040431 3566885067385 4280262080862 7133770134770 10700655202155 21401310404310