Search a number
-
+
128332630 = 2512833263
BaseRepresentation
bin1111010011000…
…11001101010110
322221110222021101
413221203031112
5230323121010
620422340314
73115544416
oct751431526
9287428241
10128332630
1166493228
1236b8a69a
132078388a
1413088646
15b3ee73a
hex7a63356

128332630 has 8 divisors (see below), whose sum is σ = 230998752. Its totient is φ = 51333048.

The previous prime is 128332619. The next prime is 128332661. The reversal of 128332630 is 36233821.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6416622 + ... + 6416641.

It is an arithmetic number, because the mean of its divisors is an integer number (28874844).

Almost surely, 2128332630 is an apocalyptic number.

128332630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128332630 is a deficient number, since it is larger than the sum of its proper divisors (102666122).

128332630 is a wasteful number, since it uses less digits than its factorization.

128332630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12833270.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 128332630 is about 11328.3992690936. The cubic root of 128332630 is about 504.4045918729.

The spelling of 128332630 in words is "one hundred twenty-eight million, three hundred thirty-two thousand, six hundred thirty".

Divisors: 1 2 5 10 12833263 25666526 64166315 128332630