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211043131112 = 23112398217399
BaseRepresentation
bin1100010010001100100…
…1101001111011101000
3202011201221212212111102
43010203021221323220
511424204020143422
6240541334420532
721150563005352
oct3044311517350
9664657785442
10211043131112
1181559389040
1234a99b01748
1316b94168598
14a3009bc0d2
155752bd3192
hex3123269ee8

211043131112 has 16 divisors (see below), whose sum is σ = 431679132000. Its totient is φ = 95928695920.

The previous prime is 211043131111. The next prime is 211043131129. The reversal of 211043131112 is 211131340112.

It is not an unprimeable number, because it can be changed into a prime (211043131111) 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, 1199108612 + ... + 1199108787.

It is an arithmetic number, because the mean of its divisors is an integer number (26979945750).

Almost surely, 2211043131112 is an apocalyptic number.

211043131112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

211043131112 is an abundant number, since it is smaller than the sum of its proper divisors (220636000888).

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

211043131112 is a wasteful number, since it uses less digits than its factorization.

211043131112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2398217416 (or 2398217412 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 211043131112 its reverse (211131340112), we get a palindrome (422174471224).

The spelling of 211043131112 in words is "two hundred eleven billion, forty-three million, one hundred thirty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 2398217399 4796434798 9592869596 19185739192 26380391389 52760782778 105521565556 211043131112