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4025850881 = 13521594397
BaseRepresentation
bin1110111111110101…
…1001110000000001
3101101120100102012012
43233331121300001
531221104212011
61503251542305
7201523111403
oct35775316001
911346312165
104025850881
111786540398
129442ba995
134c20a2cb0
142a2962b73
1518867ea8b
hexeff59c01

4025850881 has 8 divisors (see below), whose sum is σ = 4343860584. Its totient is φ = 3709031040.

The previous prime is 4025850833. The next prime is 4025850919. The reversal of 4025850881 is 1880585204.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 204633025 + 3821217856 = 14305^2 + 61816^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-4025850881 is a prime.

It is a super-2 number, since 2×40258508812 = 32414950632096952322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4025852881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290426 + ... + 303971.

It is an arithmetic number, because the mean of its divisors is an integer number (542982573).

Almost surely, 24025850881 is an apocalyptic number.

It is an amenable number.

4025850881 is a deficient number, since it is larger than the sum of its proper divisors (318009703).

4025850881 is a wasteful number, since it uses less digits than its factorization.

4025850881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594931.

The product of its (nonzero) digits is 102400, while the sum is 41.

The square root of 4025850881 is about 63449.5932295866. The cubic root of 4025850881 is about 1590.8133545468.

The spelling of 4025850881 in words is "four billion, twenty-five million, eight hundred fifty thousand, eight hundred eighty-one".

Divisors: 1 13 521 6773 594397 7727161 309680837 4025850881