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53115345104 = 243319709069
BaseRepresentation
bin110001011101111010…
…111101100011010000
312002002200220002200212
4301131322331203100
51332240012020404
640222330103252
73560150661353
oct613572754320
9162080802625
1053115345104
1120587255a28
12a36427ab28
13501630b4b3
1427dc3a029a
1515ad12006e
hexc5debd8d0

53115345104 has 10 divisors (see below), whose sum is σ = 102910981170. Its totient is φ = 26557672544.

The previous prime is 53115345047. The next prime is 53115345109. The reversal of 53115345104 is 40154351135.

It can be written as a sum of positive squares in only one way, i.e., 53014141504 + 101203600 = 230248^2 + 10060^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53115345109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1659854519 + ... + 1659854550.

It is an arithmetic number, because the mean of its divisors is an integer number (10291098117).

Almost surely, 253115345104 is an apocalyptic number.

It is an amenable number.

53115345104 is a deficient number, since it is larger than the sum of its proper divisors (49795636066).

53115345104 is a wasteful number, since it uses less digits than its factorization.

53115345104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3319709077 (or 3319709071 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 53115345104 its reverse (40154351135), we get a palindrome (93269696239).

The spelling of 53115345104 in words is "fifty-three billion, one hundred fifteen million, three hundred forty-five thousand, one hundred four".

Divisors: 1 2 4 8 16 3319709069 6639418138 13278836276 26557672552 53115345104