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15141212204 = 2221431766357
BaseRepresentation
bin11100001100111110…
…01001000000101100
31110002012212021102012
432012133021000230
5222002122242304
610542240420352
71044133115546
oct160637110054
943065767365
1015141212204
11646a901918
122b269176b8
131573b8c081
14a38ca2696
155d940a16e
hex3867c902c

15141212204 has 12 divisors (see below), whose sum is σ = 26509500864. Its totient is φ = 7567069104.

The previous prime is 15141212171. The next prime is 15141212209. The reversal of 15141212204 is 40221214151.

It is a self number, because there is not a number n which added to its sum of digits gives 15141212204.

It is not an unprimeable number, because it can be changed into a prime (15141212209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 874607 + ... + 891750.

It is an arithmetic number, because the mean of its divisors is an integer number (2209125072).

Almost surely, 215141212204 is an apocalyptic number.

It is an amenable number.

15141212204 is a deficient number, since it is larger than the sum of its proper divisors (11368288660).

15141212204 is a wasteful number, since it uses less digits than its factorization.

15141212204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768504 (or 1768502 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 15141212204 its reverse (40221214151), we get a palindrome (55362426355).

The spelling of 15141212204 in words is "fifteen billion, one hundred forty-one million, two hundred twelve thousand, two hundred four".

Divisors: 1 2 4 2143 4286 8572 1766357 3532714 7065428 3785303051 7570606102 15141212204