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212011031308 = 22194216626173
BaseRepresentation
bin1100010101110011010…
…1111001101100001100
3202021020102011021221211
43011130311321230030
511433144311000213
6241221352104204
721213555013666
oct3053465715414
9667212137854
10212011031308
1181a0577785a
123510a095064
1316cb9846aab
14a393371536
1557acb7353d
hex315cd79b0c

212011031308 has 24 divisors (see below), whose sum is σ = 391474359920. Its totient is φ = 100187720640.

The previous prime is 212011031303. The next prime is 212011031311. The reversal of 212011031308 is 803130110212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (212011031303) 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, 3281091 + ... + 3345082.

Almost surely, 2212011031308 is an apocalyptic number.

It is an amenable number.

212011031308 is a deficient number, since it is larger than the sum of its proper divisors (179463328612).

212011031308 is a wasteful number, since it uses less digits than its factorization.

212011031308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6626617 (or 6626615 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 212011031308 in words is "two hundred twelve billion, eleven million, thirty-one thousand, three hundred eight".

Divisors: 1 2 4 19 38 76 421 842 1684 7999 15998 31996 6626173 13252346 26504692 125897287 251794574 503589148 2789618833 5579237666 11158475332 53002757827 106005515654 212011031308