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20550063021254 = 213839522735413
BaseRepresentation
bin1001010110000101011110…
…01101001101110011000110
32200202120022020002012102122
410223002233031031303012
510143143012113140004
6111412322453405542
74220456501403404
oct453025715156306
980676266065378
1020550063021254
116603261922368
12237a8a66398b2
13b60b2a2686c0
145108b22d8474
1525984ab5bcbe
hex12b0af34dcc6

20550063021254 has 16 divisors (see below), whose sum is σ = 33596210540592. Its totient is φ = 9370371645408.

The previous prime is 20550063021253. The next prime is 20550063021269. The reversal of 20550063021254 is 45212036005502.

It is a super-2 number, since 2×205500630212542 (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20550063021253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4761365549 + ... + 4761369864.

It is an arithmetic number, because the mean of its divisors is an integer number (2099763158787).

Almost surely, 220550063021254 is an apocalyptic number.

20550063021254 is a deficient number, since it is larger than the sum of its proper divisors (13046147519338).

20550063021254 is a wasteful number, since it uses less digits than its factorization.

20550063021254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9522735511.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 20550063021254 its reverse (45212036005502), we get a palindrome (65762099026756).

The spelling of 20550063021254 in words is "twenty trillion, five hundred fifty billion, sixty-three million, twenty-one thousand, two hundred fifty-four".

Divisors: 1 2 13 26 83 166 1079 2158 9522735413 19045470826 123795560369 247591120738 790387039279 1580774078558 10275031510627 20550063021254