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212053246641 = 3231760047479
BaseRepresentation
bin1100010101111101011…
…0111100001010110001
3202021100100121001111200
43011133112330022301
511433241112343031
6241225501001413
721214606566525
oct3053726741261
9667310531450
10212053246641
1181a27590865
1235120253269
1316cc5507a92
14a398bddd85
1557b17118e6
hex315f5bc2b1

212053246641 has 12 divisors (see below), whose sum is σ = 316179751680. Its totient is φ = 136808546040.

The previous prime is 212053246637. The next prime is 212053246649. The reversal of 212053246641 is 146642350212.

212053246641 is a `hidden beast` number, since 2 + 1 + 2 + 0 + 5 + 3 + 2 + 4 + 6 + 641 = 666.

It is not a de Polignac number, because 212053246641 - 22 = 212053246637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212053246596 and 212053246605.

It is not an unprimeable number, because it can be changed into a prime (212053246649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 380023461 + ... + 380024018.

It is an arithmetic number, because the mean of its divisors is an integer number (26348312640).

Almost surely, 2212053246641 is an apocalyptic number.

It is an amenable number.

212053246641 is a deficient number, since it is larger than the sum of its proper divisors (104126505039).

212053246641 is a wasteful number, since it uses less digits than its factorization.

212053246641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760047516 (or 760047513 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 212053246641 its reverse (146642350212), we get a palindrome (358695596853).

It can be divided in two parts, 21205 and 3246641, that added together give a triangular number (3267846 = T2556).

The spelling of 212053246641 in words is "two hundred twelve billion, fifty-three million, two hundred forty-six thousand, six hundred forty-one".

Divisors: 1 3 9 31 93 279 760047479 2280142437 6840427311 23561471849 70684415547 212053246641