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90143826647592 = 2333755992776983
BaseRepresentation
bin10100011111110000111110…
…110001000001101000101000
3102211011122222021021222212010
4110133300332301001220220
543303404024110210332
6515415300253515520
724662451026020134
oct2437607661015050
9384148867258763
1090143826647592
11267a4867109273
12a13a5891a2ba0
133b3b6ac5b6c33
141838dad61c3c4
15a64cab4ce9cc
hex51fc3ec41a28

90143826647592 has 16 divisors (see below), whose sum is σ = 225359566619040. Its totient is φ = 30047942215856.

The previous prime is 90143826647519. The next prime is 90143826647593. The reversal of 90143826647592 is 29574662834109.

It is a super-2 number, since 2×901438266475922 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90143826647593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1877996388468 + ... + 1877996388515.

It is an arithmetic number, because the mean of its divisors is an integer number (14084972913690).

It is a 2-persistent number, because it is pandigital, and so is 2⋅90143826647592 = 180287653295184, but 3⋅90143826647592 = 270431479942776 is not.

Almost surely, 290143826647592 is an apocalyptic number.

It is an amenable number.

90143826647592 is an abundant number, since it is smaller than the sum of its proper divisors (135215739971448).

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

90143826647592 is a wasteful number, since it uses less digits than its factorization.

90143826647592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3755992776992 (or 3755992776988 counting only the distinct ones).

The product of its (nonzero) digits is 156764160, while the sum is 66.

The spelling of 90143826647592 in words is "ninety trillion, one hundred forty-three billion, eight hundred twenty-six million, six hundred forty-seven thousand, five hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 24 3755992776983 7511985553966 11267978330949 15023971107932 22535956661898 30047942215864 45071913323796 90143826647592