Search a number
-
+
4788815726461 = 131735816051061
BaseRepresentation
bin100010110101111101110…
…1010010000011101111101
3121221210202210122110220111
41011223323222100131331
51111424443311221321
614103541312350021
71002660214024504
oct105537352203575
917853683573814
104788815726461
111586a1a6a7098
12654130845311
1328977790b670
14127acc14783b
158487c45d5e1
hex45afba9077d

4788815726461 has 16 divisors (see below), whose sum is σ = 5462075829168. Its totient is φ = 4159256601600.

The previous prime is 4788815726459. The next prime is 4788815726507. The reversal of 4788815726461 is 1646275188874.

It can be written as a sum of positive squares in 8 ways, for example, as 37789027236 + 4751026699225 = 194394^2 + 2179685^2 .

It is a cyclic number.

It is not a de Polignac number, because 4788815726461 - 21 = 4788815726459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4788815726561) 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, 2234130 + ... + 3816931.

It is an arithmetic number, because the mean of its divisors is an integer number (341379739323).

Almost surely, 24788815726461 is an apocalyptic number.

It is an amenable number.

4788815726461 is a deficient number, since it is larger than the sum of its proper divisors (673260102707).

4788815726461 is a wasteful number, since it uses less digits than its factorization.

4788815726461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6054672.

The product of its digits is 144506880, while the sum is 67.

The spelling of 4788815726461 in words is "four trillion, seven hundred eighty-eight billion, eight hundred fifteen million, seven hundred twenty-six thousand, four hundred sixty-one".

Divisors: 1 13 17 221 3581 46553 60877 791401 6051061 78663793 102868037 1337284481 21668849441 281695042733 368370440497 4788815726461