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4975364989 = 72659154079
BaseRepresentation
bin1001010001000111…
…00000101101111101
3110211202000201200101
410220203200231331
540142143134424
62141411201101
7234202622200
oct45043405575
913752021611
104975364989
1121235113a1
12b6a2a6191
13613a1486a
14352acb937
151e1bdc344
hex1288e0b7d

4975364989 has 12 divisors (see below), whose sum is σ = 5796489600. Its totient is φ = 4258099608.

The previous prime is 4975364929. The next prime is 4975365001. The reversal of 4975364989 is 9894635794.

It is not a de Polignac number, because 4975364989 - 215 = 4975332221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4975364989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4975364929) 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, 44749 + ... + 109330.

It is an arithmetic number, because the mean of its divisors is an integer number (483040800).

Almost surely, 24975364989 is an apocalyptic number.

4975364989 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4975364989 is a deficient number, since it is larger than the sum of its proper divisors (821124611).

4975364989 is a wasteful number, since it uses less digits than its factorization.

4975364989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154752 (or 154745 counting only the distinct ones).

The product of its digits is 58786560, while the sum is 64.

The square root of 4975364989 is about 70536.2671892977. The cubic root of 4975364989 is about 1707.1629700082.

The spelling of 4975364989 in words is "four billion, nine hundred seventy-five million, three hundred sixty-four thousand, nine hundred eighty-nine".

Divisors: 1 7 49 659 4613 32291 154079 1078553 7549871 101538061 710766427 4975364989