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40206228025 = 521938332897
BaseRepresentation
bin100101011100011110…
…100101101000111001
310211210001010000011111
4211130132211220321
51124320243244100
630245343000321
72622230204455
oct453436455071
9124701100144
1040206228025
1116062405227
127960b990a1
133a39a0a592
141d35b31665
1510a4b716ba
hex95c7a5a39

40206228025 has 12 divisors (see below), whose sum is σ = 50114048572. Its totient is φ = 31998320640.

The previous prime is 40206228011. The next prime is 40206228043. The reversal of 40206228025 is 52082260204.

It can be written as a sum of positive squares in 6 ways, for example, as 6110236224 + 34095991801 = 78168^2 + 184651^2 .

It is not a de Polignac number, because 40206228025 - 211 = 40206225977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4161624 + ... + 4171273.

Almost surely, 240206228025 is an apocalyptic number.

It is an amenable number.

40206228025 is a deficient number, since it is larger than the sum of its proper divisors (9907820547).

40206228025 is a wasteful number, since it uses less digits than its factorization.

40206228025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8333100 (or 8333095 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 40206228025 its reverse (52082260204), we get a palindrome (92288488229).

The spelling of 40206228025 in words is "forty billion, two hundred six million, two hundred twenty-eight thousand, twenty-five".

Divisors: 1 5 25 193 965 4825 8332897 41664485 208322425 1608249121 8041245605 40206228025