Search a number
-
+
121319834 = 2109556513
BaseRepresentation
bin1110011101100…
…11000110011010
322110021200112012
413032303012122
5222024213314
620012145522
73002126066
oct716630632
9273250465
10121319834
1162533429
12347682a2
131c1998ac
1412180aa6
15a9b693e
hex73b319a

121319834 has 8 divisors (see below), whose sum is σ = 183649620. Its totient is φ = 60103296.

The previous prime is 121319827. The next prime is 121319839. The reversal of 121319834 is 438913121.

It can be written as a sum of positive squares in 2 ways, for example, as 111365809 + 9954025 = 10553^2 + 3155^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 121319834.

It is not an unprimeable number, because it can be changed into a prime (121319839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278039 + ... + 278474.

Almost surely, 2121319834 is an apocalyptic number.

121319834 is a deficient number, since it is larger than the sum of its proper divisors (62329786).

121319834 is a wasteful number, since it uses less digits than its factorization.

121319834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556624.

The product of its digits is 5184, while the sum is 32.

The square root of 121319834 is about 11014.5283149121. The cubic root of 121319834 is about 495.0441534603.

The spelling of 121319834 in words is "one hundred twenty-one million, three hundred nineteen thousand, eight hundred thirty-four".

Divisors: 1 2 109 218 556513 1113026 60659917 121319834