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2025729819 = 32225081091
BaseRepresentation
bin111100010111110…
…0010111100011011
312020011202201220100
41320233202330123
513122041323234
6533002230443
7101125263561
oct17057427433
95204681810
102025729819
1194a520883
124864b5423
132638b57c9
14153075a31
15bcc96399
hex78be2f1b

2025729819 has 6 divisors (see below), whose sum is σ = 2926054196. Its totient is φ = 1350486540.

The previous prime is 2025729817. The next prime is 2025729841. The reversal of 2025729819 is 9189275202.

It is a happy number.

It is not a de Polignac number, because 2025729819 - 21 = 2025729817 is a prime.

It is a super-2 number, since 2×20257298192 = 8207162599171545522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2025729817) 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, 112540537 + ... + 112540554.

Almost surely, 22025729819 is an apocalyptic number.

2025729819 is a deficient number, since it is larger than the sum of its proper divisors (900324377).

2025729819 is a wasteful number, since it uses less digits than its factorization.

2025729819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225081097 (or 225081094 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 2025729819 is about 45008.1083694927. The cubic root of 2025729819 is about 1265.3009681378.

The spelling of 2025729819 in words is "two billion, twenty-five million, seven hundred twenty-nine thousand, eight hundred nineteen".

Divisors: 1 3 9 225081091 675243273 2025729819