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53112101064 = 23311218289291
BaseRepresentation
bin110001011101101110…
…100101100011001000
312002002110210021201020
4301131232211203020
51332233144213224
640222132352440
73560111260461
oct613556454310
9162073707636
1053112101064
112058543a700
12a363175720
135015743a49
1427dbb97d68
1515acbcdc79
hexc5dba58c8

53112101064 has 48 divisors (see below), whose sum is σ = 145948550160. Its totient is φ = 16094575200.

The previous prime is 53112101023. The next prime is 53112101113. The reversal of 53112101064 is 46010121135.

It is a happy number.

53112101064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9141742 + ... + 9147549.

It is an arithmetic number, because the mean of its divisors is an integer number (3040594795).

Almost surely, 253112101064 is an apocalyptic number.

It is an amenable number.

53112101064 is an abundant number, since it is smaller than the sum of its proper divisors (92836449096).

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

53112101064 is a wasteful number, since it uses less digits than its factorization.

53112101064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18289322 (or 18289307 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 53112101064 its reverse (46010121135), we get a palindrome (99122222199).

The spelling of 53112101064 in words is "fifty-three billion, one hundred twelve million, one hundred one thousand, sixty-four".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 121 132 242 264 363 484 726 968 1452 2904 18289291 36578582 54867873 73157164 109735746 146314328 201182201 219471492 402364402 438942984 603546603 804728804 1207093206 1609457608 2213004211 2414186412 4426008422 4828372824 6639012633 8852016844 13278025266 17704033688 26556050532 53112101064