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4918808905 = 531101331327
BaseRepresentation
bin1001001010010111…
…10001000101001001
3110200210121101022121
410211023301011021
540033203341110
62132031051241
7232615120513
oct44513610511
913623541277
104918808905
1120a45a2a2a
12b53370b21
136050a231a
143493a8bb3
151dbc69cda
hex1252f1149

4918808905 has 16 divisors (see below), whose sum is σ = 6099185664. Its totient is φ = 3804229440.

The previous prime is 4918808903. The next prime is 4918808969. The reversal of 4918808905 is 5098088194.

It is not a de Polignac number, because 4918808905 - 21 = 4918808903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4918808903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141352 + ... + 172678.

It is an arithmetic number, because the mean of its divisors is an integer number (381199104).

Almost surely, 24918808905 is an apocalyptic number.

It is an amenable number.

4918808905 is a deficient number, since it is larger than the sum of its proper divisors (1180376759).

4918808905 is a wasteful number, since it uses less digits than its factorization.

4918808905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32376.

The product of its (nonzero) digits is 829440, while the sum is 52.

The square root of 4918808905 is about 70134.2206415670. The cubic root of 4918808905 is about 1700.6697366907.

The spelling of 4918808905 in words is "four billion, nine hundred eighteen million, eight hundred eight thousand, nine hundred five".

Divisors: 1 5 31 155 1013 5065 31327 31403 156635 157015 971137 4855685 31734251 158671255 983761781 4918808905