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7800330025 = 52312013201
BaseRepresentation
bin1110100001110111…
…11001011100101001
3202010121200211012001
413100323321130221
5111433341030100
63330004051001
7364204465645
oct72073713451
922117624161
107800330025
1133430a0444
121618393a61
139740730c7
1453dd6dc25
15309c08d6a
hex1d0ef9729

7800330025 has 6 divisors (see below), whose sum is σ = 9672409262. Its totient is φ = 6240264000.

The previous prime is 7800330007. The next prime is 7800330029. The reversal of 7800330025 is 5200330087.

It can be written as a sum of positive squares in 3 ways, for example, as 14561856 + 7785768169 = 3816^2 + 88237^2 .

It is not a de Polignac number, because 7800330025 - 25 = 7800329993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7800329975 and 7800330002.

It is not an unprimeable number, because it can be changed into a prime (7800330029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 156006576 + ... + 156006625.

Almost surely, 27800330025 is an apocalyptic number.

It is an amenable number.

7800330025 is a deficient number, since it is larger than the sum of its proper divisors (1872079237).

7800330025 is a wasteful number, since it uses less digits than its factorization.

7800330025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312013211 (or 312013206 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 7800330025 is about 88319.4770421564. The cubic root of 7800330025 is about 1983.2204525042.

The spelling of 7800330025 in words is "seven billion, eight hundred million, three hundred thirty thousand, twenty-five".

Divisors: 1 5 25 312013201 1560066005 7800330025