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4685044181 = 5099204409
BaseRepresentation
bin1000101110100000…
…00001100111010101
3110002111201220101212
410113100001213111
534043332403211
62052520431205
7224046134636
oct42720014725
913074656355
104685044181
111a94649044
12aa9018505
135988255bc
1432631788d
151c649138b
hex1174019d5

4685044181 has 4 divisors (see below), whose sum is σ = 4694249100. Its totient is φ = 4675839264.

The previous prime is 4685044171. The next prime is 4685044193. The reversal of 4685044181 is 1814405864.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1994962225 + 2690081956 = 44665^2 + 51866^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4685044181 is a prime.

It is a super-4 number, since 4×46850441814 (a number of 40 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4685044121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4601696 + ... + 4602713.

It is an arithmetic number, because the mean of its divisors is an integer number (1173562275).

Almost surely, 24685044181 is an apocalyptic number.

It is an amenable number.

4685044181 is a deficient number, since it is larger than the sum of its proper divisors (9204919).

4685044181 is an equidigital number, since it uses as much as digits as its factorization.

4685044181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9204918.

The product of its (nonzero) digits is 122880, while the sum is 41.

The square root of 4685044181 is about 68447.3825723088. The cubic root of 4685044181 is about 1673.2900563887.

The spelling of 4685044181 in words is "four billion, six hundred eighty-five million, forty-four thousand, one hundred eighty-one".

Divisors: 1 509 9204409 4685044181