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4974983161 = 19614292479
BaseRepresentation
bin1001010001000100…
…00011011111111001
3110211201022022220121
410220202003133321
540142043430121
62141355053241
7234166442041
oct45042033771
913751268817
104974983161
112123280535
12b6a141221
1361390cb25
14352a2c721
151e1b64141
hex1288837f9

4974983161 has 8 divisors (see below), whose sum is σ = 5322675200. Its totient is φ = 4635876240.

The previous prime is 4974983129. The next prime is 4974983179. The reversal of 4974983161 is 1613894794.

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

It is a cyclic number.

It is not a de Polignac number, because 4974983161 - 25 = 4974983129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4974983099 and 4974983108.

It is not an unprimeable number, because it can be changed into a prime (4974903161) 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, 2145081 + ... + 2147398.

It is an arithmetic number, because the mean of its divisors is an integer number (665334400).

Almost surely, 24974983161 is an apocalyptic number.

It is an amenable number.

4974983161 is a deficient number, since it is larger than the sum of its proper divisors (347692039).

4974983161 is a wasteful number, since it uses less digits than its factorization.

4974983161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4292559.

The product of its digits is 1306368, while the sum is 52.

The square root of 4974983161 is about 70533.5605297223. The cubic root of 4974983161 is about 1707.1192975473.

The spelling of 4974983161 in words is "four billion, nine hundred seventy-four million, nine hundred eighty-three thousand, one hundred sixty-one".

Divisors: 1 19 61 1159 4292479 81557101 261841219 4974983161