Search a number
-
+
2768541057 = 322910607437
BaseRepresentation
bin1010010100000100…
…1001010110000001
321010221111110100200
42211001021112001
521132221303212
61134415235413
7125415132162
oct24501112601
97127443320
102768541057
1111a0850967
12653218b69
13351764199
141c3995769
151130c36dc
hexa5049581

2768541057 has 12 divisors (see below), whose sum is σ = 4136900820. Its totient is φ = 1782049248.

The previous prime is 2768541049. The next prime is 2768541077. The reversal of 2768541057 is 7501458672.

It can be written as a sum of positive squares in 2 ways, for example, as 1067720976 + 1700820081 = 32676^2 + 41241^2 .

It is not a de Polignac number, because 2768541057 - 23 = 2768541049 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2768541007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5303458 + ... + 5303979.

It is an arithmetic number, because the mean of its divisors is an integer number (344741735).

Almost surely, 22768541057 is an apocalyptic number.

It is an amenable number.

2768541057 is a deficient number, since it is larger than the sum of its proper divisors (1368359763).

2768541057 is a wasteful number, since it uses less digits than its factorization.

2768541057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10607472 (or 10607469 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The square root of 2768541057 is about 52616.9274758608. The cubic root of 2768541057 is about 1404.1612682142.

The spelling of 2768541057 in words is "two billion, seven hundred sixty-eight million, five hundred forty-one thousand, fifty-seven".

Divisors: 1 3 9 29 87 261 10607437 31822311 95466933 307615673 922847019 2768541057