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1298888066131 = 5093019845261
BaseRepresentation
bin10010111001101011110…
…000110000010001010011
311121011122202001100201021
4102321223300300101103
5132240110321104011
62432411223020311
7162561441252565
oct22715360602123
94534582040637
101298888066131
114609454a6887
1218b896b9a697
139563b9288c6
1446c1ba21335
1523bc14d3471
hex12e6bc30453

1298888066131 has 8 divisors (see below), whose sum is σ = 1301872532400. Its totient is φ = 1295905297440.

The previous prime is 1298888066107. The next prime is 1298888066167. The reversal of 1298888066131 is 1316608888921.

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 1298888066131 - 221 = 1298885968979 is a prime.

It is a super-2 number, since 2×12988880661312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1298888066131.

It is not an unprimeable number, because it can be changed into a prime (1298888066101) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1114041 + ... + 1959301.

It is an arithmetic number, because the mean of its divisors is an integer number (162734066550).

Almost surely, 21298888066131 is an apocalyptic number.

1298888066131 is a deficient number, since it is larger than the sum of its proper divisors (2984466269).

1298888066131 is an equidigital number, since it uses as much as digits as its factorization.

1298888066131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848789.

The product of its (nonzero) digits is 7962624, while the sum is 61.

The spelling of 1298888066131 in words is "one trillion, two hundred ninety-eight billion, eight hundred eighty-eight million, sixty-six thousand, one hundred thirty-one".

Divisors: 1 509 3019 845261 1536671 430237849 2551842959 1298888066131