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45143161240 = 2351128579031
BaseRepresentation
bin101010000010101111…
…011111100110011000
311022112002211012100211
4222002233133212120
51214423122124430
632423302340504
73155455352662
oct520257374630
9138462735324
1045143161240
1118166157221
1288ba42a734
134345787338
142283697532
1512932bb72a
hexa82bdf998

45143161240 has 16 divisors (see below), whose sum is σ = 101572112880. Its totient is φ = 18057264480.

The previous prime is 45143161229. The next prime is 45143161249. The reversal of 45143161240 is 4216134154.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45143161249) 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, 564289476 + ... + 564289555.

It is an arithmetic number, because the mean of its divisors is an integer number (6348257055).

Almost surely, 245143161240 is an apocalyptic number.

45143161240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45143161240 is an abundant number, since it is smaller than the sum of its proper divisors (56428951640).

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

45143161240 is a wasteful number, since it uses less digits than its factorization.

45143161240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128579042 (or 1128579038 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 45143161240 its reverse (4216134154), we get a palindrome (49359295394).

The spelling of 45143161240 in words is "forty-five billion, one hundred forty-three million, one hundred sixty-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 1128579031 2257158062 4514316124 5642895155 9028632248 11285790310 22571580620 45143161240