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13420201224 = 233559175051
BaseRepresentation
bin11000111111110100…
…00000010100001000
31021122021110212011210
430133322000110020
5204441032414344
610055401253120
7653364554043
oct143772002410
937567425153
1013420201224
1157673988a1
1227264941a0
13135b467191
149144abc5a
155382a5db9
hex31fe80508

13420201224 has 16 divisors (see below), whose sum is σ = 33550503120. Its totient is φ = 4473400400.

The previous prime is 13420201199. The next prime is 13420201247. The reversal of 13420201224 is 42210202431.

It is a self number, because there is not a number n which added to its sum of digits gives 13420201224.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279587502 + ... + 279587549.

It is an arithmetic number, because the mean of its divisors is an integer number (2096906445).

Almost surely, 213420201224 is an apocalyptic number.

It is an amenable number.

13420201224 is an abundant number, since it is smaller than the sum of its proper divisors (20130301896).

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

13420201224 is a wasteful number, since it uses less digits than its factorization.

13420201224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559175060 (or 559175056 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 13420201224 its reverse (42210202431), we get a palindrome (55630403655).

The spelling of 13420201224 in words is "thirteen billion, four hundred twenty million, two hundred one thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 559175051 1118350102 1677525153 2236700204 3355050306 4473400408 6710100612 13420201224