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5128025658 = 237122095849
BaseRepresentation
bin1001100011010011…
…10111011000111010
3111020101021200202020
410301221313120322
541000233310113
62204503215310
7241035333060
oct46151673072
914211250666
105128025658
1121a1700638
12bb1447536
13639535812
143690aa030
152002e5023
hex131a7763a

5128025658 has 16 divisors (see below), whose sum is σ = 11721201600. Its totient is φ = 1465150176.

The previous prime is 5128025657. The next prime is 5128025681. The reversal of 5128025658 is 8565208215.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 122095849 = 5128025658 / (5 + 1 + 2 + 8 + 0 + 2 + 5 + 6 + 5 + 8).

It is not an unprimeable number, because it can be changed into a prime (5128025657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61047883 + ... + 61047966.

It is an arithmetic number, because the mean of its divisors is an integer number (732575100).

Almost surely, 25128025658 is an apocalyptic number.

5128025658 is an abundant number, since it is smaller than the sum of its proper divisors (6593175942).

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

5128025658 is a wasteful number, since it uses less digits than its factorization.

5128025658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122095861.

The product of its (nonzero) digits is 192000, while the sum is 42.

The square root of 5128025658 is about 71610.2343104671. The cubic root of 5128025658 is about 1724.4478420974.

The spelling of 5128025658 in words is "five billion, one hundred twenty-eight million, twenty-five thousand, six hundred fifty-eight".

Divisors: 1 2 3 6 7 14 21 42 122095849 244191698 366287547 732575094 854670943 1709341886 2564012829 5128025658