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2642017047 = 35519159571
BaseRepresentation
bin1001110101111001…
…1111101100010111
320211010102101001020
42131132133230113
520402324021142
61114055332223
7122320526415
oct23536375427
96733371036
102642017047
11113639356a
12618981073
133314948c7
141b0c5c2b5
15106e2ecec
hex9d79fb17

2642017047 has 8 divisors (see below), whose sum is σ = 3523349760. Its totient is φ = 1761014520.

The previous prime is 2642017043. The next prime is 2642017069. The reversal of 2642017047 is 7407102462.

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

It is not a de Polignac number, because 2642017047 - 22 = 2642017043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2642016999 and 2642017017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642017043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63229 + ... + 96342.

It is an arithmetic number, because the mean of its divisors is an integer number (440418720).

Almost surely, 22642017047 is an apocalyptic number.

2642017047 is a deficient number, since it is larger than the sum of its proper divisors (881332713).

2642017047 is a wasteful number, since it uses less digits than its factorization.

2642017047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165093.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 2642017047 is about 51400.5549289110. The cubic root of 2642017047 is about 1382.4365424691.

The spelling of 2642017047 in words is "two billion, six hundred forty-two million, seventeen thousand, forty-seven".

Divisors: 1 3 5519 16557 159571 478713 880672349 2642017047