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40212142130 = 254021214213
BaseRepresentation
bin100101011100110101…
…001001100000110010
310211210110020110210102
4211130311021200302
51124323302022010
630250113432402
72622331365656
oct453465114062
9124713213712
1040212142130
1116065784616
127962b6b702
133a3accb454
141d36830a66
1510a543dba5
hex95cd49832

40212142130 has 8 divisors (see below), whose sum is σ = 72381855852. Its totient is φ = 16084856848.

The previous prime is 40212142079. The next prime is 40212142151. The reversal of 40212142130 is 3124121204.

It can be written as a sum of positive squares in 2 ways, for example, as 39980402401 + 231739729 = 199951^2 + 15223^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2010607097 + ... + 2010607116.

Almost surely, 240212142130 is an apocalyptic number.

40212142130 is a deficient number, since it is larger than the sum of its proper divisors (32169713722).

40212142130 is a wasteful number, since it uses less digits than its factorization.

40212142130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4021214220.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 40212142130 its reverse (3124121204), we get a palindrome (43336263334).

The spelling of 40212142130 in words is "forty billion, two hundred twelve million, one hundred forty-two thousand, one hundred thirty".

Divisors: 1 2 5 10 4021214213 8042428426 20106071065 40212142130