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45211543453 = 83544717391
BaseRepresentation
bin101010000110110100…
…010110011110011101
311022200212111101010101
4222012310112132131
51220043123342303
632434144141101
73160245531016
oct520664263635
9138625441111
1045211543453
11181a081284a
128919307791
1343569aa69b
14228c7b800d
1512992c7d1d
hexa86d1679d

45211543453 has 4 divisors (see below), whose sum is σ = 45756260928. Its totient is φ = 44666825980.

The previous prime is 45211543427. The next prime is 45211543477. The reversal of 45211543453 is 35434511254.

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 an emirpimes, since its reverse is a distinct semiprime: 35434511254 = 217717255627.

It is a cyclic number.

It is not a de Polignac number, because 45211543453 - 213 = 45211535261 is a prime.

It is a super-2 number, since 2×452115434532 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45211543753) 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, 272358613 + ... + 272358778.

It is an arithmetic number, because the mean of its divisors is an integer number (11439065232).

Almost surely, 245211543453 is an apocalyptic number.

It is an amenable number.

45211543453 is a deficient number, since it is larger than the sum of its proper divisors (544717475).

45211543453 is an equidigital number, since it uses as much as digits as its factorization.

45211543453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544717474.

The product of its digits is 144000, while the sum is 37.

The spelling of 45211543453 in words is "forty-five billion, two hundred eleven million, five hundred forty-three thousand, four hundred fifty-three".

Divisors: 1 83 544717391 45211543453