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13121322212110 = 2571129166029637
BaseRepresentation
bin1011111011110000101110…
…1111111101101100001110
31201110101102111122110210211
42332330023233331230032
53204434431441241420
643523504024353034
72522661411365530
oct276741357755416
951411374573724
1013121322212110
1141a97a33533a2
12157b00031577a
13742448a869c8
1433510abd1850
1517b4b0768e5a
hexbef0bbfdb0e

13121322212110 has 32 divisors (see below), whose sum is σ = 27016342695360. Its totient is φ = 4494754305792.

The previous prime is 13121322212107. The next prime is 13121322212149. The reversal of 13121322212110 is 1121222312131.

It is a happy number.

It is a super-2 number, since 2×131213222121102 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82935789 + ... + 83093848.

It is an arithmetic number, because the mean of its divisors is an integer number (844260709230).

Almost surely, 213121322212110 is an apocalyptic number.

13121322212110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13121322212110 is an abundant number, since it is smaller than the sum of its proper divisors (13895020483250).

13121322212110 is a wasteful number, since it uses less digits than its factorization.

13121322212110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166030780.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 13121322212110 its reverse (1121222312131), we get a palindrome (14242544524241).

The spelling of 13121322212110 in words is "thirteen trillion, one hundred twenty-one billion, three hundred twenty-two million, two hundred twelve thousand, one hundred ten".

Divisors: 1 2 5 7 10 14 35 70 1129 2258 5645 7903 11290 15806 39515 79030 166029637 332059274 830148185 1162207459 1660296370 2324414918 5811037295 11622074590 187447460173 374894920346 937237300865 1312132221211 1874474601730 2624264442422 6560661106055 13121322212110