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21310141324142 = 21131173180615847
BaseRepresentation
bin1001101100001101001110…
…11001110101101101101110
32210110020012101111121021202
410312012213121311231232
510243121132134333032
6113153424353325502
74326415111362056
oct466064731655556
983406171447252
1021310141324142
116876642250150
12248206b266892
13bb76cb44a598
145395b8636566
1526e4d4282d62
hex1361a7675b6e

21310141324142 has 32 divisors (see below), whose sum is σ = 36204085499904. Its totient is φ = 9319777653600.

The previous prime is 21310141324141. The next prime is 21310141324163. The reversal of 21310141324142 is 24142314101312.

It is a super-3 number, since 3×213101413241423 (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 not an unprimeable number, because it can be changed into a prime (21310141324141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90189938 + ... + 90425909.

It is an arithmetic number, because the mean of its divisors is an integer number (1131377671872).

Almost surely, 221310141324142 is an apocalyptic number.

21310141324142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21310141324142 is a deficient number, since it is larger than the sum of its proper divisors (14893944175762).

21310141324142 is a wasteful number, since it uses less digits than its factorization.

21310141324142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180616064.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 21310141324142 its reverse (24142314101312), we get a palindrome (45452455425454).

The spelling of 21310141324142 in words is "twenty-one trillion, three hundred ten billion, one hundred forty-one million, three hundred twenty-four thousand, one hundred forty-two".

Divisors: 1 2 11 22 31 62 173 341 346 682 1903 3806 5363 10726 58993 117986 180615847 361231694 1986774317 3973548634 5599091257 11198182514 31246541531 61590003827 62493083062 123180007654 343711956841 687423913682 968642787461 1937285574922 10655070662071 21310141324142