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212546949276 = 2231311157911677
BaseRepresentation
bin1100010111110011001…
…0010001000010011100
3202022121202120202012110
43011330302101002130
511440244004334101
6241350454434020
721233053155024
oct3057462210234
9668552522173
10212546949276
1182160236972
1235239662910
131707389670c
14a4045d6a84
1557dec33cd6
hex317cc9109c

212546949276 has 48 divisors (see below), whose sum is σ = 499814663040. Its totient is φ = 70296058560.

The previous prime is 212546949239. The next prime is 212546949283. The reversal of 212546949276 is 672949645212.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 18196350 + ... + 18208026.

It is an arithmetic number, because the mean of its divisors is an integer number (10412805480).

Almost surely, 2212546949276 is an apocalyptic number.

It is an amenable number.

212546949276 is an abundant number, since it is smaller than the sum of its proper divisors (287267713764).

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

212546949276 is a wasteful number, since it uses less digits than its factorization.

212546949276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23394 (or 23392 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 57.

The spelling of 212546949276 in words is "two hundred twelve billion, five hundred forty-six million, nine hundred forty-nine thousand, two hundred seventy-six".

Divisors: 1 2 3 4 6 12 131 262 393 524 786 1572 11579 11677 23158 23354 34737 35031 46316 46708 69474 70062 138948 140124 1516849 1529687 3033698 3059374 4550547 4589061 6067396 6118748 9101094 9178122 18202188 18356244 135207983 270415966 405623949 540831932 811247898 1622495796 17712245773 35424491546 53136737319 70848983092 106273474638 212546949276