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21213415160441 = 725967188957977
BaseRepresentation
bin1001101001011001000100…
…00100110011101001111001
32210002222112101011101011022
410310230202010303221321
510240030033240113231
6113041150340112225
74316422126505600
oct464544204635171
983088471141138
1021213415160441
116839616909789
122467375995675
13bab554c8c3aa
14534a40300a37
1526bc2267dc7b
hex134b22133a79

21213415160441 has 48 divisors (see below), whose sum is σ = 25483557355200. Its totient is φ = 17598330021888.

The previous prime is 21213415160419. The next prime is 21213415160479. The reversal of 21213415160441 is 14406151431212.

It is not a de Polignac number, because 21213415160441 - 230 = 21212341418617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21213415160401) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 365864645 + ... + 365922621.

It is an arithmetic number, because the mean of its divisors is an integer number (530907444900).

Almost surely, 221213415160441 is an apocalyptic number.

It is an amenable number.

21213415160441 is a deficient number, since it is larger than the sum of its proper divisors (4270142194759).

21213415160441 is a wasteful number, since it uses less digits than its factorization.

21213415160441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60006 (or 59999 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

Adding to 21213415160441 its reverse (14406151431212), we get a palindrome (35619566591653).

The spelling of 21213415160441 in words is "twenty-one trillion, two hundred thirteen billion, four hundred fifteen million, one hundred sixty thousand, four hundred forty-one".

Divisors: 1 7 49 59 67 413 469 1889 2891 3283 3953 13223 27671 57977 92561 111451 126563 193697 405839 780157 885941 2840873 3420643 3884459 5461099 6201587 7467217 23944501 27191213 52270519 109518553 167611507 190338491 229183081 365893633 766629871 1604281567 5366409097 6461594627 7337743051 11229970969 45231162389 51364201357 316618136723 359549409499 432926840009 3030487880063 21213415160441