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151128807 = 383606943
BaseRepresentation
bin10010000001000…
…00101011100111
3101112101010202020
421000200223213
5302142110212
622555114223
73513400524
oct1100405347
9345333666
10151128807
1178343345
1242742973
132540593b
141610014b
15d403d8c
hex9020ae7

151128807 has 8 divisors (see below), whose sum is σ = 203933184. Its totient is φ = 99538488.

The previous prime is 151128787. The next prime is 151128847. The reversal of 151128807 is 708821151.

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

It is not a de Polignac number, because 151128807 - 26 = 151128743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151128847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303223 + ... + 303720.

It is an arithmetic number, because the mean of its divisors is an integer number (25491648).

Almost surely, 2151128807 is an apocalyptic number.

151128807 is a deficient number, since it is larger than the sum of its proper divisors (52804377).

151128807 is an equidigital number, since it uses as much as digits as its factorization.

151128807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607029.

The product of its (nonzero) digits is 4480, while the sum is 33.

The square root of 151128807 is about 12293.4456927259. The cubic root of 151128807 is about 532.6587734352.

Adding to 151128807 its reverse (708821151), we get a palindrome (859949958).

The spelling of 151128807 in words is "one hundred fifty-one million, one hundred twenty-eight thousand, eight hundred seven".

Divisors: 1 3 83 249 606943 1820829 50376269 151128807