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53712172216938 = 2315535764345591
BaseRepresentation
bin11000011011001110101101…
…11100011111001001101010
321001011211111122002121220110
430031213112330133021222
524020010012041420223
6310123010431035150
714212401461556534
oct1415472674371152
9231154448077813
1053712172216938
1116129227a41184
12603594196bab6
1323c8061431a31
14d3997c252854
1563229bd98d93
hex30d9d6f1f26a

53712172216938 has 16 divisors (see below), whose sum is σ = 107493516599616. Its totient is φ = 17892528711360.

The previous prime is 53712172216889. The next prime is 53712172216943. The reversal of 53712172216938 is 83961227121735.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2882163478 + ... + 2882182113.

It is an arithmetic number, because the mean of its divisors is an integer number (6718344787476).

Almost surely, 253712172216938 is an apocalyptic number.

53712172216938 is an abundant number, since it is smaller than the sum of its proper divisors (53781344382678).

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

53712172216938 is a wasteful number, since it uses less digits than its factorization.

53712172216938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5764347149.

The product of its digits is 7620480, while the sum is 57.

The spelling of 53712172216938 in words is "fifty-three trillion, seven hundred twelve billion, one hundred seventy-two million, two hundred sixteen thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 1553 3106 4659 9318 5764345591 11528691182 17293036773 34586073546 8952028702823 17904057405646 26856086108469 53712172216938