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13396889170 = 2571982112269
BaseRepresentation
bin11000111101000010…
…00100111001010010
31021120122121111001101
430132201010321102
5204414100423140
610053205455014
7652662451630
oct143641047122
937518544041
1013396889170
115755216135
12271a71146a
131356694372
14911360350
155361ed99a
hex31e844e52

13396889170 has 64 divisors (see below), whose sum is σ = 29047507200. Its totient is φ = 4345816320.

The previous prime is 13396889159. The next prime is 13396889179. The reversal of 13396889170 is 7198869331.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (13396889179) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1085796 + ... + 1098064.

It is an arithmetic number, because the mean of its divisors is an integer number (453867300).

Almost surely, 213396889170 is an apocalyptic number.

13396889170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13396889170 is an abundant number, since it is smaller than the sum of its proper divisors (15650618030).

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

13396889170 is a wasteful number, since it uses less digits than its factorization.

13396889170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13123.

The product of its (nonzero) digits is 1959552, while the sum is 55.

The spelling of 13396889170 in words is "thirteen billion, three hundred ninety-six million, eight hundred eighty-nine thousand, one hundred seventy".

Divisors: 1 2 5 7 10 14 19 35 38 70 95 133 190 266 665 821 1330 1642 4105 5747 8210 11494 12269 15599 24538 28735 31198 57470 61345 77995 85883 109193 122690 155990 171766 218386 233111 429415 466222 545965 858830 1091930 1165555 1631777 2331110 3263554 8158885 10072849 16317770 20145698 50364245 70509943 100728490 141019886 191384131 352549715 382768262 705099430 956920655 1339688917 1913841310 2679377834 6698444585 13396889170