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53211507371 = 1133135940709
BaseRepresentation
bin110001100011101001…
…110010101010101011
312002100101211122112022
4301203221302222223
51332434121213441
640240043135055
73562426231001
oct614351625253
9162311748468
1053211507371
1120626566080
12a39051448b
13503020a249
14280b072a71
1515b67b784b
hexc63a72aab

53211507371 has 16 divisors (see below), whose sum is σ = 58387910400. Its totient is φ = 48092431200.

The previous prime is 53211507367. The next prime is 53211507493. The reversal of 53211507371 is 17370511235.

It is not a de Polignac number, because 53211507371 - 22 = 53211507367 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53211507311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1286765 + ... + 1327473.

It is an arithmetic number, because the mean of its divisors is an integer number (3649244400).

Almost surely, 253211507371 is an apocalyptic number.

53211507371 is a deficient number, since it is larger than the sum of its proper divisors (5176403029).

53211507371 is a wasteful number, since it uses less digits than its factorization.

53211507371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41410.

The product of its (nonzero) digits is 22050, while the sum is 35.

The spelling of 53211507371 in words is "fifty-three billion, two hundred eleven million, five hundred seven thousand, three hundred seventy-one".

Divisors: 1 11 331 359 3641 3949 40709 118829 447799 1307119 13474679 14614531 148221469 160759841 4837409761 53211507371