Search a number
-
+
121223010 = 23511335759
BaseRepresentation
bin1110011100110…
…11011101100010
322110002202201010
413032123131202
5222013114020
620010121350
73001243566
oct716333542
9273082633
10121223010
1162477707
1234720256
131c1647bc
14121576a6
15a997de0
hex739b762

121223010 has 32 divisors (see below), whose sum is σ = 293518080. Its totient is φ = 32039168.

The previous prime is 121222999. The next prime is 121223017. The reversal of 121223010 is 10322121.

It is not an unprimeable number, because it can be changed into a prime (121223017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14490 + ... + 21269.

It is an arithmetic number, because the mean of its divisors is an integer number (9172440).

Almost surely, 2121223010 is an apocalyptic number.

121223010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121223010 is an abundant number, since it is smaller than the sum of its proper divisors (172295070).

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

121223010 is a wasteful number, since it uses less digits than its factorization.

121223010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35882.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 121223010 is about 11010.1321517955. The cubic root of 121223010 is about 494.9124220125.

Adding to 121223010 its reverse (10322121), we get a palindrome (131545131).

The spelling of 121223010 in words is "one hundred twenty-one million, two hundred twenty-three thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 113 226 339 565 678 1130 1695 3390 35759 71518 107277 178795 214554 357590 536385 1072770 4040767 8081534 12122301 20203835 24244602 40407670 60611505 121223010