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13211111113210 = 2517714597238099
BaseRepresentation
bin1100000000111111001110…
…0101011100000111111010
31201202222012001022020200101
43000033303211130013322
53212422323421110320
644033033424230014
72532320435430433
oct300176345340772
951688161266611
1013211111113210
1142338898a078a
12159449a46b30a
1374aa57c36b9a
143395c7a5c48a
1517d9b82e7c0a
hexc03f395c1fa

13211111113210 has 64 divisors (see below), whose sum is σ = 25539116486400. Its totient is φ = 4902456867840.

The previous prime is 13211111113147. The next prime is 13211111113223. The reversal of 13211111113210 is 1231111111231.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55366741 + ... + 55604839.

It is an arithmetic number, because the mean of its divisors is an integer number (399048695100).

Almost surely, 213211111113210 is an apocalyptic number.

13211111113210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13211111113210 is a deficient number, since it is larger than the sum of its proper divisors (12328005373190).

13211111113210 is a wasteful number, since it uses less digits than its factorization.

13211111113210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242791.

The product of its (nonzero) digits is 36, while the sum is 19.

Adding to 13211111113210 its reverse (1231111111231), we get a palindrome (14442222224441).

It can be divided in two parts, 1321111 and 1113210, that added together give a triangular number (2434321 = T2206).

The spelling of 13211111113210 in words is "thirteen trillion, two hundred eleven billion, one hundred eleven million, one hundred thirteen thousand, two hundred ten".

Divisors: 1 2 5 10 17 34 71 85 142 170 355 710 1207 2414 4597 6035 9194 12070 22985 45970 78149 156298 238099 326387 390745 476198 652774 781490 1190495 1631935 2380990 3263870 4047683 5548579 8095366 11097158 16905029 20238415 27742895 33810058 40476830 55485790 84525145 169050290 287385493 574770986 1094541103 1436927465 2189082206 2873854930 5472705515 10945411030 18607198751 37214397502 77712418313 93035993755 155424836626 186071987510 388562091565 777124183130 1321111111321 2642222222642 6605555556605 13211111113210