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2502778003025 = 52983310181137
BaseRepresentation
bin100100011010111001001…
…100011001111001010001
322212021002220100201221112
4210122321030121321101
5312001142132044100
65153432122303105
7345551113005536
oct44327114317121
98767086321845
102502778003025
11885470a32053
1234507b357a95
1315201b0aa001
14891c6a0cd8d
1545182952b35
hex246b9319e51

2502778003025 has 12 divisors (see below), whose sum is σ = 3103760643852. Its totient is φ = 2002018583040.

The previous prime is 2502778003001. The next prime is 2502778003097. The reversal of 2502778003025 is 5203008772052.

It can be written as a sum of positive squares in 6 ways, for example, as 152419187281 + 2350358815744 = 390409^2 + 1533088^2 .

It is not a de Polignac number, because 2502778003025 - 210 = 2502778002001 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4844744 + ... + 5336393.

It is an arithmetic number, because the mean of its divisors is an integer number (258646720321).

Almost surely, 22502778003025 is an apocalyptic number.

2502778003025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2502778003025 is a deficient number, since it is larger than the sum of its proper divisors (600982640827).

2502778003025 is a wasteful number, since it uses less digits than its factorization.

2502778003025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10190980 (or 10190975 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 41.

The spelling of 2502778003025 in words is "two trillion, five hundred two billion, seven hundred seventy-eight million, three thousand, twenty-five".

Divisors: 1 5 25 9833 49165 245825 10181137 50905685 254528425 100111120121 500555600605 2502778003025