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5128013428 = 2231143328859
BaseRepresentation
bin1001100011010011…
…10100011001110100
3111020101021001222021
410301221310121310
541000232412203
62204503042524
7241035252316
oct46151643164
914211231867
105128013428
1121a16a242a
12bb1440444
13639530095
143690a57b6
152002e15bd
hex131a74674

5128013428 has 24 divisors (see below), whose sum is σ = 9270293760. Its totient is φ = 2479479360.

The previous prime is 5128013419. The next prime is 5128013447. The reversal of 5128013428 is 8243108215.

It is a happy number.

It is a super-2 number, since 2×51280134282 = 52593043435496622368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5128013393 and 5128013402.

It is a congruent 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, 163263 + ... + 192121.

It is an arithmetic number, because the mean of its divisors is an integer number (386262240).

Almost surely, 25128013428 is an apocalyptic number.

It is an amenable number.

5128013428 is a deficient number, since it is larger than the sum of its proper divisors (4142280332).

5128013428 is a wasteful number, since it uses less digits than its factorization.

5128013428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30327 (or 30325 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 5128013428 is about 71610.1489175941. The cubic root of 5128013428 is about 1724.4464711985.

The spelling of 5128013428 in words is "five billion, one hundred twenty-eight million, thirteen thousand, four hundred twenty-eight".

Divisors: 1 2 4 31 62 124 1433 2866 5732 28859 44423 57718 88846 115436 177692 894629 1789258 3578516 41354947 82709894 165419788 1282003357 2564006714 5128013428