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5102111144 = 231353925637
BaseRepresentation
bin1001100000001110…
…00000100110101000
3111011120112002201102
410300013000212220
540422120024034
62202135540532
7240302141414
oct46007004650
914146462642
105102111144
112189010689
12ba482a748
136340612a0
14365881d44
151ecdc697e
hex1301c09a8

5102111144 has 32 divisors (see below), whose sum is σ = 10496734920. Its totient is φ = 2310387456.

The previous prime is 5102111141. The next prime is 5102111219. The reversal of 5102111144 is 4411112015.

It can be written as a sum of positive squares in 4 ways, for example, as 5018022244 + 84088900 = 70838^2 + 9170^2 .

It is not an unprimeable number, because it can be changed into a prime (5102111141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457307 + ... + 468330.

Almost surely, 25102111144 is an apocalyptic number.

It is an amenable number.

5102111144 is an abundant number, since it is smaller than the sum of its proper divisors (5394623776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5102111144 is a wasteful number, since it uses less digits than its factorization.

5102111144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925709 (or 925705 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 5102111144 is about 71429.0637205893. The cubic root of 5102111144 is about 1721.5380986462.

Adding to 5102111144 its reverse (4411112015), we get a palindrome (9513223159).

The spelling of 5102111144 in words is "five billion, one hundred two million, one hundred eleven thousand, one hundred forty-four".

Divisors: 1 2 4 8 13 26 52 53 104 106 212 424 689 1378 2756 5512 925637 1851274 3702548 7405096 12033281 24066562 48133124 49058761 96266248 98117522 196235044 392470088 637763893 1275527786 2551055572 5102111144