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121488795 = 335899917
BaseRepresentation
bin1110011110111…
…00010110011011
322110121021022000
413033130112123
5222100120140
620015532043
73003431511
oct717342633
9273537260
10121488795
116263936a
123482a023
131c22877c
14121c64b1
15a9eba30
hex73dc59b

121488795 has 16 divisors (see below), whose sum is σ = 215980320. Its totient is φ = 64793952.

The previous prime is 121488767. The next prime is 121488821. The reversal of 121488795 is 597884121.

It is not a de Polignac number, because 121488795 - 28 = 121488539 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 121488795.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 449824 + ... + 450093.

It is an arithmetic number, because the mean of its divisors is an integer number (13498770).

Almost surely, 2121488795 is an apocalyptic number.

121488795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121488795 is a deficient number, since it is larger than the sum of its proper divisors (94491525).

121488795 is an equidigital number, since it uses as much as digits as its factorization.

121488795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899931 (or 899925 counting only the distinct ones).

The product of its digits is 161280, while the sum is 45.

The square root of 121488795 is about 11022.1955616837. The cubic root of 121488795 is about 495.2738613127.

It can be divided in two parts, 1214 and 88795, that added together give a palindrome (90009).

The spelling of 121488795 in words is "one hundred twenty-one million, four hundred eighty-eight thousand, seven hundred ninety-five".

Divisors: 1 3 5 9 15 27 45 135 899917 2699751 4499585 8099253 13498755 24297759 40496265 121488795