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5147525231 = 31166049201
BaseRepresentation
bin1001100101101000…
…10000000001101111
3111021201222101010122
410302310100001233
541020231301411
62210441155155
7241363146122
oct46264200157
914251871118
105147525231
112201709992
12bb7a8babb
136405a2224
1436b9043b9
15201d979db
hex132d1006f

5147525231 has 4 divisors (see below), whose sum is σ = 5313574464. Its totient is φ = 4981476000.

The previous prime is 5147525209. The next prime is 5147525237. The reversal of 5147525231 is 1325257415.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5147525231 is a prime.

It is a super-2 number, since 2×51475252312 = 52994032007563206722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5147525191 and 5147525200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5147525237) 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, 83024570 + ... + 83024631.

It is an arithmetic number, because the mean of its divisors is an integer number (1328393616).

Almost surely, 25147525231 is an apocalyptic number.

5147525231 is a deficient number, since it is larger than the sum of its proper divisors (166049233).

5147525231 is a wasteful number, since it uses less digits than its factorization.

5147525231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166049232.

The product of its digits is 42000, while the sum is 35.

The square root of 5147525231 is about 71746.2558674667. The cubic root of 5147525231 is about 1726.6308437127.

The spelling of 5147525231 in words is "five billion, one hundred forty-seven million, five hundred twenty-five thousand, two hundred thirty-one".

Divisors: 1 31 166049201 5147525231