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12690440150 = 25213715112269
BaseRepresentation
bin10111101000110100…
…01011111111010110
31012202102022011011212
423310122023333112
5201442223041100
65455132101422
7626323650533
oct136432137726
935672264155
1012690440150
115422471573
122562004872
1312732077ab
148855c7d8a
154e41a5635
hex2f468bfd6

12690440150 has 48 divisors (see below), whose sum is σ = 23935923360. Its totient is φ = 5005344000.

The previous prime is 12690440137. The next prime is 12690440167. The reversal of 12690440150 is 5104409621.

It is a super-2 number, since 2×126904401502 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1028216 + ... + 1040484.

It is an arithmetic number, because the mean of its divisors is an integer number (498665070).

Almost surely, 212690440150 is an apocalyptic number.

12690440150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12690440150 is a deficient number, since it is larger than the sum of its proper divisors (11245483210).

12690440150 is a wasteful number, since it uses less digits than its factorization.

12690440150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12569 (or 12564 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

Adding to 12690440150 its reverse (5104409621), we get a palindrome (17794849771).

The spelling of 12690440150 in words is "twelve billion, six hundred ninety million, four hundred forty thousand, one hundred fifty".

Divisors: 1 2 5 10 25 50 137 151 274 302 685 755 1370 1510 3425 3775 6850 7550 12269 20687 24538 41374 61345 103435 122690 206870 306725 517175 613450 1034350 1680853 1852619 3361706 3705238 8404265 9263095 16808530 18526190 42021325 46315475 84042650 92630950 253808803 507617606 1269044015 2538088030 6345220075 12690440150