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13105401220511 = 31424739953497
BaseRepresentation
bin1011111010110101011011…
…0010001100110110011111
31201101212022221111022011022
42332231112302030312133
53204204330203024021
643512312130314355
72521556026241435
oct276552662146637
951355287438138
1013105401220511
1141a2a733717a6
121577ab84289bb
13740aac4a4712
1433443a548d55
1517ad7cb7d1ab
hexbeb56c8cd9f

13105401220511 has 8 divisors (see below), whose sum is σ = 13528475969664. Its totient is φ = 12682346463360.

The previous prime is 13105401220507. The next prime is 13105401220517. The reversal of 13105401220511 is 11502210450131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13105401220511 - 22 = 13105401220507 is a prime.

It is a super-2 number, since 2×131054012205112 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13105401220517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3660086 + ... + 6293411.

It is an arithmetic number, because the mean of its divisors is an integer number (1691059496208).

Almost surely, 213105401220511 is an apocalyptic number.

13105401220511 is a deficient number, since it is larger than the sum of its proper divisors (423074749153).

13105401220511 is an equidigital number, since it uses as much as digits as its factorization.

13105401220511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9996001.

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 13105401220511 its reverse (11502210450131), we get a palindrome (24607611670642).

The spelling of 13105401220511 in words is "thirteen trillion, one hundred five billion, four hundred one million, two hundred twenty thousand, five hundred eleven".

Divisors: 1 31 42473 1316663 9953497 308558407 422754878081 13105401220511