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13121331102210 = 2353711821019011
BaseRepresentation
bin1011111011110000110001…
…0001111000001000000010
31201110101110010101010201210
42332330030101320020002
53204434441230232320
643523504543110550
72522661550063302
oct276741421701002
951411403333653
1013121331102210
1141a97a8375691
12157b0032a2456
1374244a87a316
1433510c067602
1517b4b14230e0
hexbef0c478202

13121331102210 has 32 divisors (see below), whose sum is σ = 32342308016832. Its totient is φ = 3404453474880.

The previous prime is 13121331102199. The next prime is 13121331102233. The reversal of 13121331102210 is 1220113312131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5910508396 + ... + 5910510615.

It is an arithmetic number, because the mean of its divisors is an integer number (1010697125526).

Almost surely, 213121331102210 is an apocalyptic number.

13121331102210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13121331102210 is an abundant number, since it is smaller than the sum of its proper divisors (19220976914622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13121331102210 is a wasteful number, since it uses less digits than its factorization.

13121331102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11821019058.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 13121331102210 its reverse (1220113312131), we get a palindrome (14341444414341).

The spelling of 13121331102210 in words is "thirteen trillion, one hundred twenty-one billion, three hundred thirty-one million, one hundred two thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 37 74 111 185 222 370 555 1110 11821019011 23642038022 35463057033 59105095055 70926114066 118210190110 177315285165 354630570330 437377703407 874755406814 1312133110221 2186888517035 2624266220442 4373777034070 6560665551105 13121331102210