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13240050220 = 2251648740153
BaseRepresentation
bin11000101010010101…
…10010001000101100
31021011201111020110101
430111022302020230
5204103423101340
610025444120444
7646046366335
oct142512621054
937151436411
1013240050220
115684732771
122696096124
13133003c657
148d85b528c
1552756cc9a
hex3152b222c

13240050220 has 24 divisors (see below), whose sum is σ = 27806484384. Its totient is φ = 5295566976.

The previous prime is 13240050203. The next prime is 13240050247. The reversal of 13240050220 is 2205004231.

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, 309664 + ... + 349816.

It is an arithmetic number, because the mean of its divisors is an integer number (1158603516).

Almost surely, 213240050220 is an apocalyptic number.

13240050220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13240050220 is an abundant number, since it is smaller than the sum of its proper divisors (14566434164).

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

13240050220 is a wasteful number, since it uses less digits than its factorization.

13240050220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56649 (or 56647 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 13240050220 its reverse (2205004231), we get a palindrome (15445054451).

The spelling of 13240050220 in words is "thirteen billion, two hundred forty million, fifty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 16487 32974 40153 65948 80306 82435 160612 164870 200765 329740 401530 803060 662002511 1324005022 2648010044 3310012555 6620025110 13240050220