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211012099974 = 23413100195679
BaseRepresentation
bin1100010010000101001…
…1010001111110000110
3202011122210111022210000
43010201103101332012
511424123044144344
6240534305342130
721150035153514
oct3044123217606
9664583438700
10211012099974
1181542913975
1234a8b637946
1316b8a8c2170
14a2da8214b4
155750103a69
hex31214d1f86

211012099974 has 40 divisors (see below), whose sum is σ = 509194445760. Its totient is φ = 64926799344.

The previous prime is 211012099957. The next prime is 211012099979. The reversal of 211012099974 is 479990210112.

It is a happy number.

211012099974 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2110120999742 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211012099979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 50095734 + ... + 50099945.

It is an arithmetic number, because the mean of its divisors is an integer number (12729861144).

Almost surely, 2211012099974 is an apocalyptic number.

211012099974 is an abundant number, since it is smaller than the sum of its proper divisors (298182345786).

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

211012099974 is a wasteful number, since it uses less digits than its factorization.

211012099974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100195706 (or 100195697 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The spelling of 211012099974 in words is "two hundred eleven billion, twelve million, ninety-nine thousand, nine hundred seventy-four".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 78 81 117 162 234 351 702 1053 2106 100195679 200391358 300587037 601174074 901761111 1302543827 1803522222 2605087654 2705283333 3907631481 5410566666 7815262962 8115849999 11722894443 16231699998 23445788886 35168683329 70337366658 105506049987 211012099974