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52400104122221 = 1719162229424527
BaseRepresentation
bin10111110101000010110011…
…00101111010011101101101
320212112101211100111102221022
423322201121211322131231
523332010403123402341
6303240135302143525
714015532300021422
oct1372413145723555
9225471740442838
1052400104122221
1115772839788899
125a635a8a21ba5
13233140205055b
14cd2270001d49
1560d0a8751e4b
hex2fa85997a76d

52400104122221 has 8 divisors (see below), whose sum is σ = 58402592830080. Its totient is φ = 46722074263488.

The previous prime is 52400104122199. The next prime is 52400104122227. The reversal of 52400104122221 is 12222140100425.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52400104122221 - 214 = 52400104105837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52400104122227) 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, 81114711941 + ... + 81114712586.

It is an arithmetic number, because the mean of its divisors is an integer number (7300324103760).

Almost surely, 252400104122221 is an apocalyptic number.

It is an amenable number.

52400104122221 is a deficient number, since it is larger than the sum of its proper divisors (6002488707859).

52400104122221 is a wasteful number, since it uses less digits than its factorization.

52400104122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162229424563.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 52400104122221 its reverse (12222140100425), we get a palindrome (64622244222646).

The spelling of 52400104122221 in words is "fifty-two trillion, four hundred billion, one hundred four million, one hundred twenty-two thousand, two hundred twenty-one".

Divisors: 1 17 19 323 162229424527 2757900216959 3082359066013 52400104122221