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1405232214020 = 2253110512156521
BaseRepresentation
bin10100011100101110010…
…111011111000000000100
311222100011001022210210022
4110130232113133000010
5141010403421322040
62553315455114312
7203344651511225
oct24345627370004
94870131283708
101405232214020
114a1a56a50108
121a8415512998
13a26888bb6bb
144c02947724c
15268476856b5
hex1472e5df004

1405232214020 has 48 divisors (see below), whose sum is σ = 3049080577536. Its totient is φ = 543443040000.

The previous prime is 1405232214017. The next prime is 1405232214077. The reversal of 1405232214020 is 204122325041.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426641 + ... + 1729880.

It is an arithmetic number, because the mean of its divisors is an integer number (63522512032).

Almost surely, 21405232214020 is an apocalyptic number.

1405232214020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1405232214020 is an abundant number, since it is smaller than the sum of its proper divisors (1643848363516).

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

1405232214020 is a wasteful number, since it uses less digits than its factorization.

1405232214020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157612 (or 2157610 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 1405232214020 its reverse (204122325041), we get a palindrome (1609354539061).

The spelling of 1405232214020 in words is "one trillion, four hundred five billion, two hundred thirty-two million, two hundred fourteen thousand, twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 1051 2102 4204 5255 10510 21020 32581 65162 130324 162905 325810 651620 2156521 4313042 8626084 10782605 21565210 43130420 66852151 133704302 267408604 334260755 668521510 1337043020 2266503571 4533007142 9066014284 11332517855 22665035710 45330071420 70261610701 140523221402 281046442804 351308053505 702616107010 1405232214020