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20150412412 = 2213499776569
BaseRepresentation
bin10010110001000011…
…101110010001111100
31221000022120000021211
4102301003232101330
5312232001144122
613131301134204
71312226452024
oct226103562174
957008500254
1020150412412
1186004230a9
123aa43ba364
131b918bc470
14d9227aa84
157ce07c877
hex4b10ee47c

20150412412 has 24 divisors (see below), whose sum is σ = 38051930000. Its totient is φ = 9281540736.

The previous prime is 20150412389. The next prime is 20150412427. The reversal of 20150412412 is 21421405102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362337 + ... + 414232.

Almost surely, 220150412412 is an apocalyptic number.

It is an amenable number.

20150412412 is a deficient number, since it is larger than the sum of its proper divisors (17901517588).

20150412412 is a wasteful number, since it uses less digits than its factorization.

20150412412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777085 (or 777083 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 20150412412 its reverse (21421405102), we get a palindrome (41571817514).

The spelling of 20150412412 in words is "twenty billion, one hundred fifty million, four hundred twelve thousand, four hundred twelve".

Divisors: 1 2 4 13 26 52 499 998 1996 6487 12974 25948 776569 1553138 3106276 10095397 20190794 40381588 387507931 775015862 1550031724 5037603103 10075206206 20150412412