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47408995465 = 513729369161
BaseRepresentation
bin101100001001110010…
…111101110010001001
311112101000101111120221
4230021302331302021
51234043200323330
633440203150041
73265560545446
oct541162756211
9145330344527
1047408995465
1119119161a97
129231215321
134617029350
14241a5909cd
15137718eb7a
hexb09cbdc89

47408995465 has 8 divisors (see below), whose sum is σ = 61267009608. Its totient is φ = 35009719680.

The previous prime is 47408995451. The next prime is 47408995481. The reversal of 47408995465 is 56459980474.

It is a happy number.

47408995465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 193182201 + 47215813264 = 13899^2 + 217292^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47408995465 - 211 = 47408993417 is a prime.

It is a super-2 number, since 2×474089954652 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

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, 364684516 + ... + 364684645.

It is an arithmetic number, because the mean of its divisors is an integer number (7658376201).

Almost surely, 247408995465 is an apocalyptic number.

It is an amenable number.

47408995465 is a deficient number, since it is larger than the sum of its proper divisors (13858014143).

47408995465 is a wasteful number, since it uses less digits than its factorization.

47408995465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729369179.

The product of its (nonzero) digits is 43545600, while the sum is 61.

The spelling of 47408995465 in words is "forty-seven billion, four hundred eight million, nine hundred ninety-five thousand, four hundred sixty-five".

Divisors: 1 5 13 65 729369161 3646845805 9481799093 47408995465