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13420408450 = 252594549291
BaseRepresentation
bin11000111111110101…
…10010111010000010
31021122021212101102211
430133322302322002
5204441111032300
610055405532334
7653366406151
oct143772627202
937567771384
1013420408450
11576751a559
1227265740aa
13135b50a5b7
14914523598
155382e74ba
hex31feb2e82

13420408450 has 24 divisors (see below), whose sum is σ = 25385049360. Its totient is φ = 5277176400.

The previous prime is 13420408429. The next prime is 13420408487. The reversal of 13420408450 is 5480402431.

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 11 ways as a sum of consecutive naturals, for example, 2271696 + ... + 2277595.

It is an arithmetic number, because the mean of its divisors is an integer number (1057710390).

Almost surely, 213420408450 is an apocalyptic number.

13420408450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13420408450 is a deficient number, since it is larger than the sum of its proper divisors (11964640910).

13420408450 is a wasteful number, since it uses less digits than its factorization.

13420408450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4549362 (or 4549357 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The spelling of 13420408450 in words is "thirteen billion, four hundred twenty million, four hundred eight thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 59 118 295 590 1475 2950 4549291 9098582 22746455 45492910 113732275 227464550 268408169 536816338 1342040845 2684081690 6710204225 13420408450