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13953724220 = 225697686211
BaseRepresentation
bin11001111111011010…
…01110111100111100
31100000110101122010202
430333231032330330
5212034123133340
610224340423032
71002533461502
oct147755167474
940013348122
1013953724220
115a10571597
1228550a7a78
131414b58967
149652ac672
1556a041c15
hex33fb4ef3c

13953724220 has 12 divisors (see below), whose sum is σ = 29302820904. Its totient is φ = 5581489680.

The previous prime is 13953724201. The next prime is 13953724223. The reversal of 13953724220 is 2242735931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13953724223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348843086 + ... + 348843125.

It is an arithmetic number, because the mean of its divisors is an integer number (2441901742).

Almost surely, 213953724220 is an apocalyptic number.

13953724220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13953724220 is an abundant number, since it is smaller than the sum of its proper divisors (15349096684).

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

13953724220 is a wasteful number, since it uses less digits than its factorization.

13953724220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697686220 (or 697686218 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 13953724220 in words is "thirteen billion, nine hundred fifty-three million, seven hundred twenty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 697686211 1395372422 2790744844 3488431055 6976862110 13953724220