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211431301112 = 23311723494803
BaseRepresentation
bin1100010011101001001…
…0011001111111111000
3202012202000021221122002
43010322102121333320
511431002403113422
6241044042320132
721163315256333
oct3047222317770
9665660257562
10211431301112
1181738503999
1234b87ab9048
1316c266c7385
14a33a38361a
155776d0b692
hex313a499ff8

211431301112 has 32 divisors (see below), whose sum is σ = 409460206080. Its totient is φ = 102245885280.

The previous prime is 211431301099. The next prime is 211431301117. The reversal of 211431301112 is 211103134112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211431301117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179903 + ... + 674705.

It is an arithmetic number, because the mean of its divisors is an integer number (12795631440).

Almost surely, 2211431301112 is an apocalyptic number.

It is an amenable number.

211431301112 is a deficient number, since it is larger than the sum of its proper divisors (198028904968).

211431301112 is a wasteful number, since it uses less digits than its factorization.

211431301112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496563 (or 496559 counting only the distinct ones).

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

Adding to 211431301112 its reverse (211103134112), we get a palindrome (422534435224).

The spelling of 211431301112 in words is "two hundred eleven billion, four hundred thirty-one million, three hundred one thousand, one hundred twelve".

Divisors: 1 2 4 8 31 62 124 248 1723 3446 6892 13784 53413 106826 213652 427304 494803 989606 1979212 3958424 15338893 30677786 61355572 122711144 852545569 1705091138 3410182276 6820364552 26428912639 52857825278 105715650556 211431301112