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2034544381 = 18493110017
BaseRepresentation
bin111100101000100…
…1010111011111101
312020210100120012121
41321101022323331
513131320410011
6533515202541
7101263225162
oct17121127375
95223316177
102034544381
119544a1341
12489446451
1326568091c
141542cc069
15bd937e71
hex7944aefd

2034544381 has 4 divisors (see below), whose sum is σ = 2034672892. Its totient is φ = 2034415872.

The previous prime is 2034544367. The next prime is 2034544397. The reversal of 2034544381 is 1834454302.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1276918756 + 757625625 = 35734^2 + 27525^2 .

It is a cyclic number.

It is not a de Polignac number, because 2034544381 - 221 = 2032447229 is a prime.

It is a super-2 number, since 2×20345443812 = 8278741676517346322, which 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 (2034544781) 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, 36516 + ... + 73501.

It is an arithmetic number, because the mean of its divisors is an integer number (508668223).

Almost surely, 22034544381 is an apocalyptic number.

It is an amenable number.

2034544381 is a deficient number, since it is larger than the sum of its proper divisors (128511).

2034544381 is a wasteful number, since it uses less digits than its factorization.

2034544381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128510.

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 2034544381 is about 45105.9240122625. The cubic root of 2034544381 is about 1267.1335481662.

Adding to 2034544381 its reverse (1834454302), we get a palindrome (3868998683).

The spelling of 2034544381 in words is "two billion, thirty-four million, five hundred forty-four thousand, three hundred eighty-one".

Divisors: 1 18493 110017 2034544381