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42154150512 = 243878211469
BaseRepresentation
bin100111010000100101…
…010100101001110000
311000210210110201110210
4213100211110221300
51142312430304022
631210525424120
73021422236665
oct472045245160
9130723421423
1042154150512
1116971a12221
12820540b040
133c8a44ca36
14207c711a6c
15116ab98a0c
hex9d0954a70

42154150512 has 20 divisors (see below), whose sum is σ = 108898222280. Its totient is φ = 14051383488.

The previous prime is 42154150501. The next prime is 42154150523. The reversal of 42154150512 is 21505145124.

It is an interprime number because it is at equal distance from previous prime (42154150501) and next prime (42154150523).

It is a self number, because there is not a number n which added to its sum of digits gives 42154150512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439105687 + ... + 439105782.

It is an arithmetic number, because the mean of its divisors is an integer number (5444911114).

Almost surely, 242154150512 is an apocalyptic number.

It is an amenable number.

42154150512 is an abundant number, since it is smaller than the sum of its proper divisors (66744071768).

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

42154150512 is a wasteful number, since it uses less digits than its factorization.

42154150512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878211480 (or 878211474 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

Adding to 42154150512 its reverse (21505145124), we get a palindrome (63659295636).

The spelling of 42154150512 in words is "forty-two billion, one hundred fifty-four million, one hundred fifty thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 878211469 1756422938 2634634407 3512845876 5269268814 7025691752 10538537628 14051383504 21077075256 42154150512