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2063975761 = 18122512
BaseRepresentation
bin111101100000101…
…1100010101010001
312022211201211110201
41323001130111101
513211334211021
6540450055201
7102101335021
oct17301342521
95284654421
102063975761
1196a0735a1
1249727a501
1326b7b6b43
1415818da81
15c12ed591
hex7b05c551

2063975761 has 9 divisors (see below), whose sum is σ = 2083743579. Its totient is φ = 2044395000.

The previous prime is 2063975759. The next prime is 2063975777. The reversal of 2063975761 is 1675793602.

The square root of 2063975761 is 45431.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 22743361 + 2041232400 = 4769^2 + 45180^2 .

It is not a de Polignac number, because 2063975761 - 21 = 2063975759 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2063975461) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8222886 + ... + 8223136.

Almost surely, 22063975761 is an apocalyptic number.

2063975761 is the 45431-st square number.

2063975761 is the 22716-th centered octagonal number.

It is an amenable number.

2063975761 is a deficient number, since it is larger than the sum of its proper divisors (19767818).

2063975761 is an frugal number, since it uses more digits than its factorization.

2063975761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864 (or 432 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 46.

The cubic root of 2063975761 is about 1273.2143679612.

The spelling of 2063975761 in words is "two billion, sixty-three million, nine hundred seventy-five thousand, seven hundred sixty-one".

Divisors: 1 181 251 32761 45431 63001 8223011 11403181 2063975761