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2144213032405 = 519711731939521
BaseRepresentation
bin11111001100111101000…
…011100101110111010101
321120222120220002221200111
4133030331003211313111
5240112322014014110
64321012102443021
7310625412024463
oct37147503456725
97528526087614
102144213032405
117573a03a2594
122a7690733471
13127276c15c42
1475acd847833
153ab98a04e8a
hex1f33d0e5dd5

2144213032405 has 64 divisors (see below), whose sum is σ = 2777108820480. Its totient is φ = 1584517939200.

The previous prime is 2144213032393. The next prime is 2144213032433. The reversal of 2144213032405 is 5042303124412.

It is not a de Polignac number, because 2144213032405 - 29 = 2144213031893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 225204045 + ... + 225213565.

It is an arithmetic number, because the mean of its divisors is an integer number (43392325320).

Almost surely, 22144213032405 is an apocalyptic number.

It is an amenable number.

2144213032405 is a deficient number, since it is larger than the sum of its proper divisors (632895788075).

2144213032405 is a wasteful number, since it uses less digits than its factorization.

2144213032405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9982.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 2144213032405 its reverse (5042303124412), we get a palindrome (7186516156817).

The spelling of 2144213032405 in words is "two trillion, one hundred forty-four billion, two hundred thirteen million, thirty-two thousand, four hundred five".

Divisors: 1 5 19 71 95 173 193 355 865 965 1349 3287 3667 6745 9521 12283 13703 16435 18335 33389 47605 61415 68515 166945 180899 233377 260357 634391 675991 904495 1166885 1301785 1647133 1837553 2370619 3171955 3379955 8235665 9187765 11853095 12843829 31295527 34913507 45041761 64219145 116946443 130466263 156477635 174567535 225208805 317896669 584732215 652331315 1589483345 2221982417 2478858997 6040036711 11109912085 12394294985 22570663499 30200183555 112853317495 428842606481 2144213032405