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4984857081 = 321929151211
BaseRepresentation
bin1001010010001111…
…01110000111111001
3110212101212222101100
410221013232013321
540202110411311
62142350442013
7234346405011
oct45107560771
913771788340
104984857081
1121289049a6
12b71503309
13615989199
1435407cc41
151e2964a56
hex1291ee1f9

4984857081 has 12 divisors (see below), whose sum is σ = 7579315120. Its totient is φ = 3148330680.

The previous prime is 4984857019. The next prime is 4984857167. The reversal of 4984857081 is 1807584894.

4984857081 is a `hidden beast` number, since 4 + 98 + 485 + 70 + 8 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2k-4984857081 is a prime.

It is a super-2 number, since 2×49848570812 = 49697600235991681122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4984857281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14575435 + ... + 14575776.

Almost surely, 24984857081 is an apocalyptic number.

It is an amenable number.

4984857081 is a deficient number, since it is larger than the sum of its proper divisors (2594458039).

4984857081 is a wasteful number, since it uses less digits than its factorization.

4984857081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29151236 (or 29151233 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 54.

The square root of 4984857081 is about 70603.5203159163. The cubic root of 4984857081 is about 1708.2479325388.

It can be divided in two parts, 49848 and 57081, that added together give a square (106929 = 3272).

The spelling of 4984857081 in words is "four billion, nine hundred eighty-four million, eight hundred fifty-seven thousand, eighty-one".

Divisors: 1 3 9 19 57 171 29151211 87453633 262360899 553873009 1661619027 4984857081