Search a number
-
+
121475315 = 5131868851
BaseRepresentation
bin1110011110110…
…01000011110011
322110120120210202
413033121003303
5222044202230
620015345415
73003344303
oct717310363
9273516722
10121475315
116262a225
123482226b
131c2225b0
14121c1603
15a9e7a45
hex73d90f3

121475315 has 8 divisors (see below), whose sum is σ = 156983568. Its totient is φ = 89704800.

The previous prime is 121475293. The next prime is 121475317. The reversal of 121475315 is 513574121.

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

It is not a de Polignac number, because 121475315 - 28 = 121475059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121475317) 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, 934361 + ... + 934490.

It is an arithmetic number, because the mean of its divisors is an integer number (19622946).

Almost surely, 2121475315 is an apocalyptic number.

121475315 is a deficient number, since it is larger than the sum of its proper divisors (35508253).

121475315 is a wasteful number, since it uses less digits than its factorization.

121475315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868869.

The product of its digits is 4200, while the sum is 29.

The square root of 121475315 is about 11021.5840513059. The cubic root of 121475315 is about 495.2555426450.

The spelling of 121475315 in words is "one hundred twenty-one million, four hundred seventy-five thousand, three hundred fifteen".

Divisors: 1 5 13 65 1868851 9344255 24295063 121475315