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368134681369 = 72131733995261
BaseRepresentation
bin1010101101101101000…
…10010111001100011001
31022012012221100110111111
411112312202113030121
522012414434300434
6441041351500321
735411502106300
oct5266642271431
91265187313444
10368134681369
11132141480924
125b41b6876a1
132893a996410
1413b6411b437
159899162964
hex55b6897319

368134681369 has 24 divisors (see below), whose sum is σ = 488307943368. Its totient is φ = 274137776640.

The previous prime is 368134681367. The next prime is 368134681373. The reversal of 368134681369 is 963186431863.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 72193241344 + 295941440025 = 268688^2 + 544005^2 .

It is not a de Polignac number, because 368134681369 - 21 = 368134681367 is a prime.

It is a super-2 number, since 2×3681346813692 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (368134681363) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16986802 + ... + 17008459.

It is an arithmetic number, because the mean of its divisors is an integer number (20346164307).

Almost surely, 2368134681369 is an apocalyptic number.

It is an amenable number.

368134681369 is a deficient number, since it is larger than the sum of its proper divisors (120173261999).

368134681369 is a wasteful number, since it uses less digits than its factorization.

368134681369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33995305 (or 33995298 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 58.

The spelling of 368134681369 in words is "three hundred sixty-eight billion, one hundred thirty-four million, six hundred eighty-one thousand, three hundred sixty-nine".

Divisors: 1 7 13 17 49 91 119 221 637 833 1547 10829 33995261 237966827 441938393 577919437 1665767789 3093568751 4045436059 7512952681 21654981257 28318052413 52590668767 368134681369