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4540345889187 = 312302232
BaseRepresentation
bin100001000010010000110…
…1101000011000110100011
3121002001102111210221102210
41002010201231003012203
51043342112021423222
613353450041413203
7646013001166533
oct102044155030643
917061374727383
104540345889187
1114a0605984839
12613b4879a203
1326c1ca872b04
14119a7aa4b4c3
157d188b4ad0c
hex42121b431a3

4540345889187 has 6 divisors (see below), whose sum is σ = 6053799439812. Its totient is φ = 3026894799012.

The previous prime is 4540345889153. The next prime is 4540345889279. The reversal of 4540345889187 is 7819885430454.

It is not a de Polignac number, because 4540345889187 - 210 = 4540345888163 is a prime.

It is a super-2 number, since 2×45403458891872 (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4540345889137) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3075558 + ... + 4305780.

It is an arithmetic number, because the mean of its divisors is an integer number (1008966573302).

Almost surely, 24540345889187 is an apocalyptic number.

4540345889187 is a deficient number, since it is larger than the sum of its proper divisors (1513453550625).

4540345889187 is an frugal number, since it uses more digits than its factorization.

4540345889187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2460449 (or 1230226 counting only the distinct ones).

The product of its (nonzero) digits is 154828800, while the sum is 66.

The spelling of 4540345889187 in words is "four trillion, five hundred forty billion, three hundred forty-five million, eight hundred eighty-nine thousand, one hundred eighty-seven".

Divisors: 1 3 1230223 3690669 1513448629729 4540345889187