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16447130220 = 2235274118837
BaseRepresentation
bin11110101000101001…
…10100101001101100
31120110020011210011010
433110110310221230
5232140431131340
611320011025220
71121401204653
oct172424645154
946406153133
1016447130220
116a7aa81404
12323013b210
1317215b9921
14b204c419a
15663db8b80
hex3d4534a6c

16447130220 has 24 divisors (see below), whose sum is σ = 46051964784. Its totient is φ = 4385901376.

The previous prime is 16447130213. The next prime is 16447130239. The reversal of 16447130220 is 2203174461.

16447130220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137059359 + ... + 137059478.

It is an arithmetic number, because the mean of its divisors is an integer number (1918831866).

Almost surely, 216447130220 is an apocalyptic number.

16447130220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16447130220 is an abundant number, since it is smaller than the sum of its proper divisors (29604834564).

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

16447130220 is a wasteful number, since it uses less digits than its factorization.

16447130220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274118849 (or 274118847 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The spelling of 16447130220 in words is "sixteen billion, four hundred forty-seven million, one hundred thirty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 274118837 548237674 822356511 1096475348 1370594185 1644713022 2741188370 3289426044 4111782555 5482376740 8223565110 16447130220