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5431331345 = 511257384247
BaseRepresentation
bin1010000111011101…
…11000101000010001
3112000112000012221012
411003232320220101
542110410100340
62254540140305
7251410361156
oct50356705021
915015005835
105431331345
1123379326a0
121076b37695
1368732013b
143974a022d
1521bc58565
hex143bb8a11

5431331345 has 16 divisors (see below), whose sum is σ = 7137790848. Its totient is φ = 3934679040.

The previous prime is 5431331329. The next prime is 5431331363.

5431331345 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5431331345 - 24 = 5431331329 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177989 + ... + 206258.

It is an arithmetic number, because the mean of its divisors is an integer number (446111928).

Almost surely, 25431331345 is an apocalyptic number.

5431331345 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5431331345 is a deficient number, since it is larger than the sum of its proper divisors (1706459503).

5431331345 is a wasteful number, since it uses less digits than its factorization.

5431331345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384520.

The product of its digits is 32400, while the sum is 32.

The square root of 5431331345 is about 73697.5667508772. The cubic root of 5431331345 is about 1757.7971908558.

It can be divided in two parts, 54313 and 31345, that added together give a palindrome (85658).

The spelling of 5431331345 in words is "five billion, four hundred thirty-one million, three hundred thirty-one thousand, three hundred forty-five".

Divisors: 1 5 11 55 257 1285 2827 14135 384247 1921235 4226717 21133585 98751479 493757395 1086266269 5431331345