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53401122523 = 724148754581
BaseRepresentation
bin110001101110111101…
…000111011011011011
312002211121122002121201
4301232331013123123
51333331141410043
640310535215031
73600221023600
oct615675073333
9162747562551
1053401122523
11207135a5811
12a423b17477
135060599768
1428283106a7
1515c826ec4d
hexc6ef476db

53401122523 has 24 divisors (see below), whose sum is σ = 63766622304. Its totient is φ = 44563478400.

The previous prime is 53401122521. The next prime is 53401122527. The reversal of 53401122523 is 32522110435.

It is not a de Polignac number, because 53401122523 - 21 = 53401122521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53401122491 and 53401122500.

It is not an unprimeable number, because it can be changed into a prime (53401122521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 951093 + ... + 1005673.

It is an arithmetic number, because the mean of its divisors is an integer number (2656942596).

Almost surely, 253401122523 is an apocalyptic number.

53401122523 is a deficient number, since it is larger than the sum of its proper divisors (10365499781).

53401122523 is a wasteful number, since it uses less digits than its factorization.

53401122523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55123 (or 55116 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 53401122523 its reverse (32522110435), we get a palindrome (85923232958).

The spelling of 53401122523 in words is "fifty-three billion, four hundred one million, one hundred twenty-two thousand, five hundred twenty-three".

Divisors: 1 7 41 49 287 487 2009 3409 19967 23863 54581 139769 382067 978383 2237821 2674469 15664747 26580947 109653229 186066629 1089818827 1302466403 7628731789 53401122523