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4861515081 = 37322198699
BaseRepresentation
bin1001000011100010…
…01101010101001001
3110112210210112222010
410201301031111021
534424021440311
62122223050133
7231321124233
oct44161152511
913483715863
104861515081
112075220265
12b38140949
135c6262057
14341933253
151d6bedda6
hex121c4d549

4861515081 has 8 divisors (see below), whose sum is σ = 6570815200. Its totient is φ = 3196612512.

The previous prime is 4861515073. The next prime is 4861515097. The reversal of 4861515081 is 1805151684.

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

It is not a de Polignac number, because 4861515081 - 23 = 4861515073 is a prime.

It is a super-2 number, since 2×48615150812 = 47268657765580873122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4861515011) 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, 11099131 + ... + 11099568.

It is an arithmetic number, because the mean of its divisors is an integer number (821351900).

Almost surely, 24861515081 is an apocalyptic number.

It is an amenable number.

4861515081 is a deficient number, since it is larger than the sum of its proper divisors (1709300119).

4861515081 is a wasteful number, since it uses less digits than its factorization.

4861515081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22198775.

The product of its (nonzero) digits is 38400, while the sum is 39.

The square root of 4861515081 is about 69724.5658358659. The cubic root of 4861515081 is about 1694.0408516991.

The spelling of 4861515081 in words is "four billion, eight hundred sixty-one million, five hundred fifteen thousand, eighty-one".

Divisors: 1 3 73 219 22198699 66596097 1620505027 4861515081