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13455414240220 = 2251480734543507
BaseRepresentation
bin1100001111001101010100…
…1011111010001111011100
31202122022202221201222012201
43003303111023322033130
53230423142021141340
644341155412141244
72556056464644151
oct303632513721734
952568687658181
1013455414240220
114318455613a37
1216138bb007824
13767abc9811c4
14347361a0a228
15185015e0479a
hexc3cd52fa3dc

13455414240220 has 24 divisors (see below), whose sum is σ = 28256566950864. Its totient is φ = 5382128163456.

The previous prime is 13455414240217. The next prime is 13455414240251. The reversal of 13455414240220 is 2204241455431.

It is a self number, because there is not a number n which added to its sum of digits gives 13455414240220.

It is a congruent 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, 689707 + ... + 5233213.

It is an arithmetic number, because the mean of its divisors is an integer number (1177356956286).

Almost surely, 213455414240220 is an apocalyptic number.

13455414240220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13455414240220 is an abundant number, since it is smaller than the sum of its proper divisors (14801152710644).

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

13455414240220 is a wasteful number, since it uses less digits than its factorization.

13455414240220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4691589 (or 4691587 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 13455414240220 its reverse (2204241455431), we get a palindrome (15659655695651).

The spelling of 13455414240220 in words is "thirteen trillion, four hundred fifty-five billion, four hundred fourteen million, two hundred forty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 148073 296146 592292 740365 1480730 2961460 4543507 9087014 18174028 22717535 45435070 90870140 672770712011 1345541424022 2691082848044 3363853560055 6727707120110 13455414240220