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4851785025 = 3252233725339
BaseRepresentation
bin1001000010011000…
…00101110101000001
3110112010111012211200
410201030011311001
534414024110100
62121234331413
7231142330563
oct44114056501
913463435750
104851785025
11206a78499a
12b34a29b69
135c4236319
1434051d333
151d5e2ae00
hex121305d41

4851785025 has 72 divisors (see below), whose sum is σ = 9313362240. Its totient is φ = 2408123520.

The previous prime is 4851785021. The next prime is 4851785039. The reversal of 4851785025 is 5205871584.

It is not a de Polignac number, because 4851785025 - 22 = 4851785021 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (4851785021) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 178806 + ... + 204144.

Almost surely, 24851785025 is an apocalyptic number.

4851785025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4851785025 is a deficient number, since it is larger than the sum of its proper divisors (4461577215).

4851785025 is a wasteful number, since it uses less digits than its factorization.

4851785025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25415 (or 25407 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 45.

The square root of 4851785025 is about 69654.7559395624. The cubic root of 4851785025 is about 1692.9099202230.

The spelling of 4851785025 in words is "four billion, eight hundred fifty-one million, seven hundred eighty-five thousand, twenty-five".

Divisors: 1 3 5 9 15 23 25 37 45 69 75 111 115 185 207 225 333 345 555 575 851 925 1035 1665 1725 2553 2775 4255 5175 7659 8325 12765 21275 25339 38295 63825 76017 126695 191475 228051 380085 582797 633475 937543 1140255 1748391 1900425 2812629 2913985 4687715 5245173 5701275 8437887 8741955 14063145 14569925 21563489 23438575 26225865 42189435 43709775 64690467 70315725 107817445 131129325 194071401 210947175 323452335 539087225 970357005 1617261675 4851785025