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53480380697 = 77036942799
BaseRepresentation
bin110001110011101011…
…011101100100011001
312010001010202211101122
4301303223131210121
51334011434140242
640322450055025
73602202510152
oct616353354431
9163033684348
1053480380697
112075430a637
12a44657a475
135073b2a2a3
142834a62929
1515d01c8ad2
hexc73add919

53480380697 has 4 divisors (see below), whose sum is σ = 53487331200. Its totient is φ = 53473430196.

The previous prime is 53480380651. The next prime is 53480380703. The reversal of 53480380697 is 79608308435.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53480380697 - 28 = 53480380441 is a prime.

It is a super-2 number, since 2×534803806972 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53480380627) 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, 3463697 + ... + 3479102.

It is an arithmetic number, because the mean of its divisors is an integer number (13371832800).

Almost surely, 253480380697 is an apocalyptic number.

It is an amenable number.

53480380697 is a deficient number, since it is larger than the sum of its proper divisors (6950503).

53480380697 is an equidigital number, since it uses as much as digits as its factorization.

53480380697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6950502.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 53480380697 in words is "fifty-three billion, four hundred eighty million, three hundred eighty thousand, six hundred ninety-seven".

Divisors: 1 7703 6942799 53480380697