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13122413513351 = 317919926926001
BaseRepresentation
bin1011111011110100110011…
…0010111100101010000111
31201110111020120010022200022
42332331030302330222013
53204444200324411401
643524204211005355
72523030432322022
oct276751462745207
951414216108608
1013122413513351
1141aa20336714a
12157b26589985b
13742590bb019c
143351b1b081b9
1517b52648271b
hexbef4ccbca87

13122413513351 has 16 divisors (see below), whose sum is σ = 13786113024000. Its totient is φ = 12475354320000.

The previous prime is 13122413513317. The next prime is 13122413513359. The reversal of 13122413513351 is 15331531422131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13122413513351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13122413513359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12975650 + ... + 13950351.

It is an arithmetic number, because the mean of its divisors is an integer number (861632064000).

Almost surely, 213122413513351 is an apocalyptic number.

13122413513351 is a deficient number, since it is larger than the sum of its proper divisors (663699510649).

13122413513351 is a wasteful number, since it uses less digits than its factorization.

13122413513351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26926310.

The product of its digits is 32400, while the sum is 35.

Adding to 13122413513351 its reverse (15331531422131), we get a palindrome (28453944935482).

The spelling of 13122413513351 in words is "thirteen trillion, one hundred twenty-two billion, four hundred thirteen million, five hundred thirteen thousand, three hundred fifty-one".

Divisors: 1 31 79 199 2449 6169 15721 487351 26926001 834706031 2127154079 5358274199 65941776449 166106500169 423303661721 13122413513351