Search a number
-
+
12198042215 = 517389368911
BaseRepresentation
bin10110101110000111…
…10101101001100111
31011111002202202012022
423113003311221213
5144440144322330
65334222213355
7611164435202
oct132703655147
934432682168
1012198042215
11519a527727
12244512425b
1311c51b4978
1483a050939
154b5d3eae5
hex2d70f5a67

12198042215 has 16 divisors (see below), whose sum is σ = 15538573440. Its totient is φ = 9160773120.

The previous prime is 12198042209. The next prime is 12198042247. The reversal of 12198042215 is 51224089121.

It is not a de Polignac number, because 12198042215 - 212 = 12198038119 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151391 + ... + 217520.

It is an arithmetic number, because the mean of its divisors is an integer number (971160840).

Almost surely, 212198042215 is an apocalyptic number.

12198042215 is a deficient number, since it is larger than the sum of its proper divisors (3340531225).

12198042215 is a wasteful number, since it uses less digits than its factorization.

12198042215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369322.

The product of its (nonzero) digits is 11520, while the sum is 35.

The spelling of 12198042215 in words is "twelve billion, one hundred ninety-eight million, forty-two thousand, two hundred fifteen".

Divisors: 1 5 17 85 389 1945 6613 33065 368911 1844555 6271487 31357435 143506379 717531895 2439608443 12198042215