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4285019643 = 31784019993
BaseRepresentation
bin1111111101101000…
…0011010111111011
3102001122000112220020
43333122003113323
532233431112033
61545110501523
7211121031432
oct37732032773
912048015806
104285019643
1118a9866753
129b70648a3
135339a5aa8
142c9148119
151a12c56b3
hexff6835fb

4285019643 has 8 divisors (see below), whose sum is σ = 6049439568. Its totient is φ = 2688639744.

The previous prime is 4285019633. The next prime is 4285019653. The reversal of 4285019643 is 3469105824.

It is an interprime number because it is at equal distance from previous prime (4285019633) and next prime (4285019653).

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

It is not a de Polignac number, because 4285019643 - 25 = 4285019611 is a prime.

It is a super-2 number, since 2×42850196432 = 36722786681791694898, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4285019595 and 4285019604.

It is not an unprimeable number, because it can be changed into a prime (4285019633) 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, 42009946 + ... + 42010047.

It is an arithmetic number, because the mean of its divisors is an integer number (756179946).

Almost surely, 24285019643 is an apocalyptic number.

4285019643 is a deficient number, since it is larger than the sum of its proper divisors (1764419925).

4285019643 is a wasteful number, since it uses less digits than its factorization.

4285019643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84020013.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 4285019643 is about 65460.0614344350. The cubic root of 4285019643 is about 1624.2427579372.

The spelling of 4285019643 in words is "four billion, two hundred eighty-five million, nineteen thousand, six hundred forty-three".

Divisors: 1 3 17 51 84019993 252059979 1428339881 4285019643