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5131028017 = 15131339107
BaseRepresentation
bin1001100011101010…
…10100011000110001
3111020120221020012201
410301311110120301
541002020344032
62205051423201
7241103006233
oct46165243061
914216836181
105131028017
1121a3371325
12bb2454b01
1363a04726b
1436964c253
152006d98e7
hex131d54631

5131028017 has 4 divisors (see below), whose sum is σ = 5131382256. Its totient is φ = 5130673780.

The previous prime is 5131027987. The next prime is 5131028027. The reversal of 5131028017 is 7108201315.

5131028017 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7108201315 = 51421640263.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5131028017 is a prime.

It is a super-2 number, since 2×51310280172 = 52654897022477904578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5131028027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154423 + ... + 184684.

It is an arithmetic number, because the mean of its divisors is an integer number (1282845564).

Almost surely, 25131028017 is an apocalyptic number.

It is an amenable number.

5131028017 is a deficient number, since it is larger than the sum of its proper divisors (354239).

5131028017 is a wasteful number, since it uses less digits than its factorization.

5131028017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354238.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 5131028017 is about 71631.1944406904. The cubic root of 5131028017 is about 1724.7843199642.

The spelling of 5131028017 in words is "five billion, one hundred thirty-one million, twenty-eight thousand, seventeen".

Divisors: 1 15131 339107 5131028017