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53401150531 = 123143380301
BaseRepresentation
bin110001101110111101…
…001110010001000011
312002211121200112001001
4301232331032101003
51333331143304111
640310535552431
73600221201341
oct615675162103
9162747615031
1053401150531
1120713614863
12a423b2b717
1350605a9431
14282831a991
1515c82781c1
hexc6ef4e443

53401150531 has 4 divisors (see below), whose sum is σ = 53444532064. Its totient is φ = 53357769000.

The previous prime is 53401150501. The next prime is 53401150547. The reversal of 53401150531 is 13505110435.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53401150531 - 217 = 53401019459 is a prime.

It is a super-2 number, since 2×534011505312 (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 53401150531.

It is not an unprimeable number, because it can be changed into a prime (53401150501) 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 3 ways as a sum of consecutive naturals, for example, 21688920 + ... + 21691381.

It is an arithmetic number, because the mean of its divisors is an integer number (13361133016).

Almost surely, 253401150531 is an apocalyptic number.

53401150531 is a deficient number, since it is larger than the sum of its proper divisors (43381533).

53401150531 is a wasteful number, since it uses less digits than its factorization.

53401150531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43381532.

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 53401150531 its reverse (13505110435), we get a palindrome (66906260966).

The spelling of 53401150531 in words is "fifty-three billion, four hundred one million, one hundred fifty thousand, five hundred thirty-one".

Divisors: 1 1231 43380301 53401150531