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13678068258 = 232759892681
BaseRepresentation
bin11001011110100011…
…01100001000100010
31022022020200212020200
430233101230020202
5211003041141013
610141132250030
7662645443011
oct145721541042
938266625220
1013678068258
115889a05148
122798910916
13139ca0261a
1493a834a78
15550c40e73
hex32f46c222

13678068258 has 12 divisors (see below), whose sum is σ = 29635814598. Its totient is φ = 4559356080.

The previous prime is 13678068223. The next prime is 13678068259. The reversal of 13678068258 is 85286087631.

It can be written as a sum of positive squares in only one way, i.e., 7227890289 + 6450177969 = 85017^2 + 80313^2 .

It is not an unprimeable number, because it can be changed into a prime (13678068259) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 379946323 + ... + 379946358.

Almost surely, 213678068258 is an apocalyptic number.

13678068258 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13678068258 is an abundant number, since it is smaller than the sum of its proper divisors (15957746340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13678068258 is a wasteful number, since it uses less digits than its factorization.

13678068258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759892689 (or 759892686 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 13678068258 in words is "thirteen billion, six hundred seventy-eight million, sixty-eight thousand, two hundred fifty-eight".

Divisors: 1 2 3 6 9 18 759892681 1519785362 2279678043 4559356086 6839034129 13678068258