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53470787653 = 376114217173
BaseRepresentation
bin110001110011000110…
…110111100001000101
312010000110201110012201
4301303012313201011
51334002010201103
640321504314501
73602025124123
oct616306674105
9163013643181
1053470787653
11207499581a8
12a443312a31
135071b4ba2a
142833686913
1515ce43151d
hexc731b7845

53470787653 has 4 divisors (see below), whose sum is σ = 53485008588. Its totient is φ = 53456566720.

The previous prime is 53470787621. The next prime is 53470787687. The reversal of 53470787653 is 35678707435.

It is a happy number.

53470787653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38699545284 + 14771242369 = 196722^2 + 121537^2 .

It is a cyclic number.

It is not a de Polignac number, because 53470787653 - 25 = 53470787621 is a prime.

It is a super-3 number, since 3×534707876533 (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53470787594 and 53470787603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53470787693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7104826 + ... + 7112347.

It is an arithmetic number, because the mean of its divisors is an integer number (13371252147).

Almost surely, 253470787653 is an apocalyptic number.

It is an amenable number.

53470787653 is a deficient number, since it is larger than the sum of its proper divisors (14220935).

53470787653 is a wasteful number, since it uses less digits than its factorization.

53470787653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14220934.

The product of its (nonzero) digits is 14817600, while the sum is 55.

The spelling of 53470787653 in words is "fifty-three billion, four hundred seventy million, seven hundred eighty-seven thousand, six hundred fifty-three".

Divisors: 1 3761 14217173 53470787653