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5401308881 = 41131739241
BaseRepresentation
bin1010000011111000…
…10110111011010001
3111221102111220212002
411001330112323101
542030213341011
62251544443345
7250564240133
oct50174267321
914842456762
105401308881
112321997341
121068a79555
1368103ab77
143934c7053
152192c7c3b
hex141f16ed1

5401308881 has 4 divisors (see below), whose sum is σ = 5533048164. Its totient is φ = 5269569600.

The previous prime is 5401308863. The next prime is 5401308907. The reversal of 5401308881 is 1888031045.

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 179801281 + 5221507600 = 13409^2 + 72260^2 .

It is a cyclic number.

It is not a de Polignac number, because 5401308881 - 26 = 5401308817 is a prime.

It is a super-2 number, since 2×54013088812 = 58348275255938944322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5401308821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65869580 + ... + 65869661.

It is an arithmetic number, because the mean of its divisors is an integer number (1383262041).

Almost surely, 25401308881 is an apocalyptic number.

It is an amenable number.

5401308881 is a deficient number, since it is larger than the sum of its proper divisors (131739283).

5401308881 is a wasteful number, since it uses less digits than its factorization.

5401308881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131739282.

The product of its (nonzero) digits is 30720, while the sum is 38.

The square root of 5401308881 is about 73493.5975510792. The cubic root of 5401308881 is about 1754.5523793012.

The spelling of 5401308881 in words is "five billion, four hundred one million, three hundred eight thousand, eight hundred eighty-one".

Divisors: 1 41 131739241 5401308881