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545044510215348 = 22311133311258376261
BaseRepresentation
bin111101111101101110001000…
…0011010110000110010110100
32122110211202011001102222222120
41323323130100122300302310
51032420002124103342343
65211113554042555540
7222543111031412343
oct17373342032606264
92573752131388876
10545044510215348
1114873909580aa40
125116933b808bb0
131a518627617330
14988441b893b5a
154302cd277d683
hex1efb7106b0cb4

545044510215348 has 192 divisors, whose sum is σ = 1498760701261824. Its totient is φ = 151985325888000.

The previous prime is 545044510215281. The next prime is 545044510215349. The reversal of 545044510215348 is 843512015440545.

It is a super-2 number, since 2×5450445102153482 (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 545044510215348.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545044510215349) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7147055538 + ... + 7147131798.

It is an arithmetic number, because the mean of its divisors is an integer number (7806045319072).

Almost surely, 2545044510215348 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545044510215348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (749380350630912).

545044510215348 is an abundant number, since it is smaller than the sum of its proper divisors (953716191046476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545044510215348 is a wasteful number, since it uses less digits than its factorization.

545044510215348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89206 (or 89204 counting only the distinct ones).

The product of its (nonzero) digits is 7680000, while the sum is 51.

The spelling of 545044510215348 in words is "five hundred forty-five trillion, forty-four billion, five hundred ten million, two hundred fifteen thousand, three hundred forty-eight".