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13121013121130 = 251518689412663
BaseRepresentation
bin1011111011101111100101…
…0100111000000001101010
31201110100121222001000200202
42332323321110320001222
53204433313324334010
643523413223432202
72522650636223615
oct276737124700152
951410558030622
1013121013121130
1141a965492a802
12157ab348b5662
137423c9a25035
143350bbb3317c
1517b4935616a5
hexbeef953806a

13121013121130 has 16 divisors (see below), whose sum is σ = 23774233048704. Its totient is φ = 5213647597200.

The previous prime is 13121013121129. The next prime is 13121013121187. The reversal of 13121013121130 is 3112131012131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4344704822 + ... + 4344707841.

It is an arithmetic number, because the mean of its divisors is an integer number (1485889565544).

Almost surely, 213121013121130 is an apocalyptic number.

13121013121130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13121013121130 is a deficient number, since it is larger than the sum of its proper divisors (10653219927574).

13121013121130 is a wasteful number, since it uses less digits than its factorization.

13121013121130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8689412821.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 13121013121130 its reverse (3112131012131), we get a palindrome (16233144133261).

The spelling of 13121013121130 in words is "thirteen trillion, one hundred twenty-one billion, thirteen million, one hundred twenty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 151 302 755 1510 8689412663 17378825326 43447063315 86894126630 1312101312113 2624202624226 6560506560565 13121013121130