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13023121313122 = 237175988125853
BaseRepresentation
bin1011110110000010111010…
…0001010000110101100010
31201002222221201022221011221
42331200232201100311202
53201332323024004442
643410423410325254
72512614041461504
oct275405641206542
951088851287157
1013023121313122
114171090518538
121563b74b8982a
137360c8c1109b
14330472a91d74
15178b6445b467
hexbd82e850d62

13023121313122 has 8 divisors (see below), whose sum is σ = 20062646347356. Its totient is φ = 6335572530672.

The previous prime is 13023121313119. The next prime is 13023121313173. The reversal of 13023121313122 is 22131312132031.

It can be written as a sum of positive squares in 2 ways, for example, as 10470472827721 + 2552648485401 = 3235811^2 + 1597701^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87994062853 + ... + 87994063000.

Almost surely, 213023121313122 is an apocalyptic number.

13023121313122 is a deficient number, since it is larger than the sum of its proper divisors (7039525034234).

13023121313122 is a wasteful number, since it uses less digits than its factorization.

13023121313122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175988125892.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 13023121313122 its reverse (22131312132031), we get a palindrome (35154433445153).

The spelling of 13023121313122 in words is "thirteen trillion, twenty-three billion, one hundred twenty-one million, three hundred thirteen thousand, one hundred twenty-two".

Divisors: 1 2 37 74 175988125853 351976251706 6511560656561 13023121313122