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5106109985 = 56171655141
BaseRepresentation
bin1001100000101100…
…10000111000100001
3111011212001021002122
410300112100320201
540424131004420
62202401354025
7240351135014
oct46026207041
914155037078
105106109985
1121902a2009
12ba6038915
13634b31472
1436620337b
151ed416725
hex130590e21

5106109985 has 8 divisors (see below), whose sum is σ = 6137266536. Its totient is φ = 4078264960.

The previous prime is 5106109969. The next prime is 5106109991. The reversal of 5106109985 is 5899016015.

It can be written as a sum of positive squares in 4 ways, for example, as 622602304 + 4483507681 = 24952^2 + 66959^2 .

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

It is not a de Polignac number, because 5106109985 - 24 = 5106109969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 824486 + ... + 830655.

It is an arithmetic number, because the mean of its divisors is an integer number (767158317).

Almost surely, 25106109985 is an apocalyptic number.

It is an amenable number.

5106109985 is a deficient number, since it is larger than the sum of its proper divisors (1031156551).

5106109985 is a wasteful number, since it uses less digits than its factorization.

5106109985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655763.

The product of its (nonzero) digits is 97200, while the sum is 44.

The square root of 5106109985 is about 71457.0499321096. The cubic root of 5106109985 is about 1721.9877399291.

The spelling of 5106109985 in words is "five billion, one hundred six million, one hundred nine thousand, nine hundred eighty-five".

Divisors: 1 5 617 3085 1655141 8275705 1021221997 5106109985