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53200668353 = 77600095479
BaseRepresentation
bin110001100011000000…
…011100011011000001
312002022122102222012012
4301203000130123001
51332423332341403
640235014542305
73562235135240
oct614300343301
9162278388165
1053200668353
1120620432608
12a388967995
13502abb3821
142809850957
1515b5875ed8
hexc6301c6c1

53200668353 has 4 divisors (see below), whose sum is σ = 60800763840. Its totient is φ = 45600572868.

The previous prime is 53200668349. The next prime is 53200668361. The reversal of 53200668353 is 35386600235.

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 53200668353 - 22 = 53200668349 is a prime.

It is a super-2 number, since 2×532006683532 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53200668353.

It is not an unprimeable number, because it can be changed into a prime (53200688353) 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, 3800047733 + ... + 3800047746.

It is an arithmetic number, because the mean of its divisors is an integer number (15200190960).

Almost surely, 253200668353 is an apocalyptic number.

It is an amenable number.

53200668353 is a deficient number, since it is larger than the sum of its proper divisors (7600095487).

53200668353 is an equidigital number, since it uses as much as digits as its factorization.

53200668353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7600095486.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 53200668353 in words is "fifty-three billion, two hundred million, six hundred sixty-eight thousand, three hundred fifty-three".

Divisors: 1 7 7600095479 53200668353