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15451053041420 = 2253803920309489
BaseRepresentation
bin1110000011010111101010…
…0001110010011100001100
32000201002212110012222010022
43200311322201302130030
54011122224034311140
652510041001401312
73153205332610013
oct340657241623414
960632773188108
1015451053041420
114a178336a7597
121896626499238
13881049819569
143b5b991a1a7a
151bbdb60b00b5
hexe0d7a87270c

15451053041420 has 24 divisors (see below), whose sum is σ = 32448065983200. Its totient is φ = 6180258436352.

The previous prime is 15451053041363. The next prime is 15451053041453. The reversal of 15451053041420 is 2414035015451.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9393965 + ... + 10915524.

It is an arithmetic number, because the mean of its divisors is an integer number (1352002749300).

Almost surely, 215451053041420 is an apocalyptic number.

15451053041420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15451053041420 is an abundant number, since it is smaller than the sum of its proper divisors (16997012941780).

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

15451053041420 is a wasteful number, since it uses less digits than its factorization.

15451053041420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20347537 (or 20347535 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 15451053041420 its reverse (2414035015451), we get a palindrome (17865088056871).

The spelling of 15451053041420 in words is "fifteen trillion, four hundred fifty-one billion, fifty-three million, forty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 38039 76078 152156 190195 380390 760780 20309489 40618978 81237956 101547445 203094890 406189780 772552652071 1545105304142 3090210608284 3862763260355 7725526520710 15451053041420