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4745630381 = 3127336737
BaseRepresentation
bin1000110101101110…
…01001001010101101
3110020201202000001012
410122313021022231
534204340133011
62102523155005
7225413123042
oct43267111255
913221660035
104745630381
11201586a388
12b05375a65
135a824931b
143303a91c9
151cb95ca8b
hex11adc92ad

4745630381 has 12 divisors (see below), whose sum is σ = 4911072156. Its totient is φ = 4585599360.

The previous prime is 4745630369. The next prime is 4745630387. The reversal of 4745630381 is 1830365474.

It can be written as a sum of positive squares in 2 ways, for example, as 3805656100 + 939974281 = 61690^2 + 30659^2 .

It is not a de Polignac number, because 4745630381 - 26 = 4745630317 is a prime.

It is a super-2 number, since 2×47456303812 = 45042015426140410322, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4745630387) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 701045 + ... + 707781.

It is an arithmetic number, because the mean of its divisors is an integer number (409256013).

Almost surely, 24745630381 is an apocalyptic number.

It is an amenable number.

4745630381 is a deficient number, since it is larger than the sum of its proper divisors (165441775).

4745630381 is an equidigital number, since it uses as much as digits as its factorization.

4745630381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7532 (or 7501 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 4745630381 is about 68888.5359185402. The cubic root of 4745630381 is about 1680.4720873073.

The spelling of 4745630381 in words is "four billion, seven hundred forty-five million, six hundred thirty thousand, three hundred eighty-one".

Divisors: 1 31 733 961 6737 22723 208847 704413 4938221 6474257 153084851 4745630381