Search a number
-
+
121141992 = 23311934231
BaseRepresentation
bin1110011100001…
…11101011101000
322102221122120110
413032013223220
5222003020432
620004254320
73000455436
oct716075350
9272848513
10121141992
1162421854
12346a13a0
131c13696a
1412135d56
15a97ddcc
hex7387ae8

121141992 has 32 divisors (see below), whose sum is σ = 303180480. Its totient is φ = 40337280.

The previous prime is 121141987. The next prime is 121142011. The reversal of 121141992 is 299141121.

It is a happy number.

It is a super-3 number, since 3×1211419923 (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26517 + ... + 30747.

It is an arithmetic number, because the mean of its divisors is an integer number (9474390).

Almost surely, 2121141992 is an apocalyptic number.

121141992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121141992 is an abundant number, since it is smaller than the sum of its proper divisors (182038488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121141992 is a wasteful number, since it uses less digits than its factorization.

121141992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5433 (or 5429 counting only the distinct ones).

The product of its digits is 1296, while the sum is 30.

The square root of 121141992 is about 11006.4522894528. The cubic root of 121141992 is about 494.8021411050.

The spelling of 121141992 in words is "one hundred twenty-one million, one hundred forty-one thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 24 1193 2386 3579 4231 4772 7158 8462 9544 12693 14316 16924 25386 28632 33848 50772 101544 5047583 10095166 15142749 20190332 30285498 40380664 60570996 121141992