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6149890325 = 524119733041
BaseRepresentation
bin1011011101000111…
…11110000100010101
3120212121002210112202
411232203332010111
5100043332442300
62454125254245
7305254130255
oct55643760425
916777083482
106149890325
1126764a8697
121237704385
13770159a77
14424aa9965
1525ed94ad5
hex16e8fe115

6149890325 has 24 divisors (see below), whose sum is σ = 7818390216. Its totient is φ = 4795904000.

The previous prime is 6149890321. The next prime is 6149890333. The reversal of 6149890325 is 5230989416.

It can be written as a sum of positive squares in 12 ways, for example, as 2241264964 + 3908625361 = 47342^2 + 62519^2 .

It is not a de Polignac number, because 6149890325 - 22 = 6149890321 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6149890325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6149890321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2020805 + ... + 2023845.

It is an arithmetic number, because the mean of its divisors is an integer number (325766259).

Almost surely, 26149890325 is an apocalyptic number.

It is an amenable number.

6149890325 is a deficient number, since it is larger than the sum of its proper divisors (1668499891).

6149890325 is a wasteful number, since it uses less digits than its factorization.

6149890325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5065 (or 5060 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 6149890325 is about 78421.2364414130. The cubic root of 6149890325 is about 1832.1279083359.

The spelling of 6149890325 in words is "six billion, one hundred forty-nine million, eight hundred ninety thousand, three hundred twenty-five".

Divisors: 1 5 25 41 205 1025 1973 3041 9865 15205 49325 76025 80893 124681 404465 623405 2022325 3117025 5999893 29999465 149997325 245995613 1229978065 6149890325