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30656247344 = 243001638459
BaseRepresentation
bin11100100011010000…
…010011011000110000
32221010111010201111022
4130203100103120300
51000240444403334
622025553435012
72133455542262
oct344320233060
987114121438
1030656247344
111200171a408
125b3686ba68
132b77325838
1416ab673b32
15be655782e
hex723413630

30656247344 has 20 divisors (see below), whose sum is σ = 59416364520. Its totient is φ = 15322992000.

The previous prime is 30656247317. The next prime is 30656247361. The reversal of 30656247344 is 44374265603.

It is a junction number, because it is equal to n+sod(n) for n = 30656247295 and 30656247304.

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, 271214 + ... + 367245.

It is an arithmetic number, because the mean of its divisors is an integer number (2970818226).

Almost surely, 230656247344 is an apocalyptic number.

It is an amenable number.

30656247344 is a deficient number, since it is larger than the sum of its proper divisors (28760117176).

30656247344 is a wasteful number, since it uses less digits than its factorization.

30656247344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641468 (or 641462 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 44.

The spelling of 30656247344 in words is "thirty billion, six hundred fifty-six million, two hundred forty-seven thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 3001 6002 12004 24008 48016 638459 1276918 2553836 5107672 10215344 1916015459 3832030918 7664061836 15328123672 30656247344