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142540044260 = 22529245758697
BaseRepresentation
bin1000010011000000001…
…1000111011111100100
3111121220212020111102112
42010300003013133210
54313410222404020
6145252035500152
713204163246105
oct2046003073744
9447825214375
10142540044260
11554a6158a79
1223760457658
1310597ba2173
146c82b043ac
153a93c0c2c5
hex21300c77e4

142540044260 has 24 divisors (see below), whose sum is σ = 309655959480. Its totient is φ = 55049947904.

The previous prime is 142540044239. The next prime is 142540044277. The reversal of 142540044260 is 62440045241.

It can be written as a sum of positive squares in 4 ways, for example, as 12921323584 + 129618720676 = 113672^2 + 360026^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122878769 + ... + 122879928.

It is an arithmetic number, because the mean of its divisors is an integer number (12902331645).

Almost surely, 2142540044260 is an apocalyptic number.

142540044260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142540044260 is an abundant number, since it is smaller than the sum of its proper divisors (167115915220).

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

142540044260 is a wasteful number, since it uses less digits than its factorization.

142540044260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245758735 (or 245758733 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

The spelling of 142540044260 in words is "one hundred forty-two billion, five hundred forty million, forty-four thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 245758697 491517394 983034788 1228793485 2457586970 4915173940 7127002213 14254004426 28508008852 35635011065 71270022130 142540044260