Search a number
-
+
2052103765 = 5410420753
BaseRepresentation
bin111101001010000…
…1001111001010101
312022000101200011011
41322110021321111
513200314310030
6535343412221
7101565410545
oct17224117125
95260350134
102052103765
119633a4a28
124932b4071
132691bb1aa
1415677d325
15c0255b2a
hex7a509e55

2052103765 has 4 divisors (see below), whose sum is σ = 2462524524. Its totient is φ = 1641683008.

The previous prime is 2052103747. The next prime is 2052103787. The reversal of 2052103765 is 5673012502.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1255001476 + 797102289 = 35426^2 + 28233^2 .

It is a cyclic number.

It is not a de Polignac number, because 2052103765 - 25 = 2052103733 is a prime.

It is a super-2 number, since 2×20521037652 = 8422259724654350450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205210372 + ... + 205210381.

It is an arithmetic number, because the mean of its divisors is an integer number (615631131).

Almost surely, 22052103765 is an apocalyptic number.

It is an amenable number.

2052103765 is a deficient number, since it is larger than the sum of its proper divisors (410420759).

2052103765 is an equidigital number, since it uses as much as digits as its factorization.

2052103765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410420758.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 2052103765 is about 45300.1519313125. The cubic root of 2052103765 is about 1270.7684945175.

The spelling of 2052103765 in words is "two billion, fifty-two million, one hundred three thousand, seven hundred sixty-five".

Divisors: 1 5 410420753 2052103765