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142512064 = 264154311
BaseRepresentation
bin10000111111010…
…00111111000000
3100221011100210121
420133220333000
5242440341224
622050310024
73350222032
oct1037507700
9327140717
10142512064
1173498472
123b888314
13236a9886
1414cd9c52
15c7a0be4
hex87e8fc0

142512064 has 28 divisors (see below), whose sum is σ = 289700208. Its totient is φ = 69516800.

The previous prime is 142512047. The next prime is 142512077. The reversal of 142512064 is 460215241.

It is a happy number.

142512064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 24532 + ... + 29779.

It is an arithmetic number, because the mean of its divisors is an integer number (10346436).

Almost surely, 2142512064 is an apocalyptic number.

It is an amenable number.

142512064 is an abundant number, since it is smaller than the sum of its proper divisors (147188144).

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

142512064 is an equidigital number, since it uses as much as digits as its factorization.

142512064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54364 (or 54354 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 142512064 is about 11937.8416809740. The cubic root of 142512064 is about 522.3367028599.

The spelling of 142512064 in words is "one hundred forty-two million, five hundred twelve thousand, sixty-four".

Divisors: 1 2 4 8 16 32 41 64 82 164 328 656 1312 2624 54311 108622 217244 434488 868976 1737952 2226751 3475904 4453502 8907004 17814008 35628016 71256032 142512064