Search a number
-
+
121011100230 = 23523331728977
BaseRepresentation
bin111000010110011010…
…0101101101001000110
3102120100110201211021010
41300230310231221012
53440312320201410
6131331451503050
711512524244326
oct1605464555106
9376313654233
10121011100230
114735867a749
121b552457a86
13b54680cb27
145bdd743286
153233b2ac20
hex1c2cd2da46

121011100230 has 32 divisors (see below), whose sum is σ = 290551294944. Its totient is φ = 32255776256.

The previous prime is 121011100213. The next prime is 121011100247. The reversal of 121011100230 is 32001110121.

It is an interprime number because it is at equal distance from previous prime (121011100213) and next prime (121011100247).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 794499 + ... + 934478.

It is an arithmetic number, because the mean of its divisors is an integer number (9079727967).

Almost surely, 2121011100230 is an apocalyptic number.

121011100230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121011100230 is an abundant number, since it is smaller than the sum of its proper divisors (169540194714).

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

121011100230 is a wasteful number, since it uses less digits than its factorization.

121011100230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731320.

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

Adding to 121011100230 its reverse (32001110121), we get a palindrome (153012210351).

The spelling of 121011100230 in words is "one hundred twenty-one billion, eleven million, one hundred thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 2333 4666 6999 11665 13998 23330 34995 69990 1728977 3457954 5186931 8644885 10373862 17289770 25934655 51869310 4033703341 8067406682 12101110023 20168516705 24202220046 40337033410 60505550115 121011100230