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53354635121 = 131407287291
BaseRepresentation
bin110001101100001011…
…110001111101110001
312002201101011021220002
4301230023301331301
51333232241310441
640302154555345
73566114626034
oct615413617561
9162641137802
1053354635121
112069a334077
12a410438b55
135053a71118
14282208d01b
1515c413ab9b
hexc6c2f1f71

53354635121 has 4 divisors (see below), whose sum is σ = 53761922544. Its totient is φ = 52947347700.

The previous prime is 53354635093. The next prime is 53354635127. The reversal of 53354635121 is 12153645335.

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 53354635121 - 26 = 53354635057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53354635127) 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, 203643515 + ... + 203643776.

It is an arithmetic number, because the mean of its divisors is an integer number (13440480636).

Almost surely, 253354635121 is an apocalyptic number.

It is an amenable number.

53354635121 is a deficient number, since it is larger than the sum of its proper divisors (407287423).

53354635121 is a wasteful number, since it uses less digits than its factorization.

53354635121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407287422.

The product of its digits is 162000, while the sum is 38.

The spelling of 53354635121 in words is "fifty-three billion, three hundred fifty-four million, six hundred thirty-five thousand, one hundred twenty-one".

Divisors: 1 131 407287291 53354635121