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53006881453 = 229639230827
BaseRepresentation
bin110001010111011101…
…001101001010101101
312001211010210120112121
4301113131031022231
51332024230201303
640203453232541
73554363025661
oct612735151255
9161733716477
1053006881453
1120531003649
12a333a92751
134cc99c3516
1427cbc088a1
1515a38479bd
hexc5774d2ad

53006881453 has 4 divisors (see below), whose sum is σ = 53007341920. Its totient is φ = 53006420988.

The previous prime is 53006881427. The next prime is 53006881489. The reversal of 53006881453 is 35418860035.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 53006881453 - 213 = 53006873261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53006884453) 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, 114226 + ... + 345052.

It is an arithmetic number, because the mean of its divisors is an integer number (13251835480).

Almost surely, 253006881453 is an apocalyptic number.

It is an amenable number.

53006881453 is a deficient number, since it is larger than the sum of its proper divisors (460467).

53006881453 is a wasteful number, since it uses less digits than its factorization.

53006881453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460466.

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 53006881453 in words is "fifty-three billion, six million, eight hundred eighty-one thousand, four hundred fifty-three".

Divisors: 1 229639 230827 53006881453