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121341243210 = 23511631582727
BaseRepresentation
bin111000100000010000…
…0000110111101001010
3102121012110221211021220
41301000200012331022
53442001324240320
6131424323542510
711523643356315
oct1610040067512
9377173854256
10121341243210
1147507a71a90
121b624b2aa36
13b59a0329c5
145c3152197c
153252ae0e40
hex1c40806f4a

121341243210 has 64 divisors (see below), whose sum is σ = 318197458944. Its totient is φ = 29369390400.

The previous prime is 121341243169. The next prime is 121341243223. The reversal of 121341243210 is 12342143121.

It is a super-2 number, since 2×1213412432102 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83134 + ... + 499593.

It is an arithmetic number, because the mean of its divisors is an integer number (4971835296).

Almost surely, 2121341243210 is an apocalyptic number.

121341243210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121341243210 is an abundant number, since it is smaller than the sum of its proper divisors (196856215734).

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

121341243210 is a wasteful number, since it uses less digits than its factorization.

121341243210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583379.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 121341243210 its reverse (12342143121), we get a palindrome (133683386331).

The spelling of 121341243210 in words is "one hundred twenty-one billion, three hundred forty-one million, two hundred forty-three thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 631 1262 1893 3155 3786 6310 6941 9465 13882 18930 20823 34705 41646 69410 104115 208230 582727 1165454 1748181 2913635 3496362 5827270 6409997 8740905 12819994 17481810 19229991 32049985 38459982 64099970 96149955 192299910 367700737 735401474 1103102211 1838503685 2206204422 3677007370 4044708107 5515511055 8089416214 11031022110 12134124321 20223540535 24268248642 40447081070 60670621605 121341243210