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13230313320 = 2335719828967
BaseRepresentation
bin11000101001001011…
…01000111101101000
31021011001011112221110
430110211220331220
5204043430011240
610024455310320
7645600544020
oct142445507550
937131145843
1013230313320
11567a192244
12269297b3a0
13132b010783
148d719ca80
15526797c80
hex314968f68

13230313320 has 128 divisors (see below), whose sum is σ = 47748556800. Its totient is φ = 2864906496.

The previous prime is 13230313307. The next prime is 13230313333. The reversal of 13230313320 is 2331303231.

It is an interprime number because it is at equal distance from previous prime (13230313307) and next prime (13230313333).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 398524 + ... + 430443.

It is an arithmetic number, because the mean of its divisors is an integer number (373035600).

Almost surely, 213230313320 is an apocalyptic number.

13230313320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13230313320 is an abundant number, since it is smaller than the sum of its proper divisors (34518243480).

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

13230313320 is a wasteful number, since it uses less digits than its factorization.

13230313320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829007 (or 829003 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 13230313320 its reverse (2331303231), we get a palindrome (15561616551).

The spelling of 13230313320 in words is "thirteen billion, two hundred thirty million, three hundred thirteen thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 19 20 21 24 28 30 35 38 40 42 56 57 60 70 76 84 95 105 114 120 133 140 152 168 190 210 228 266 280 285 380 399 420 456 532 570 665 760 798 840 1064 1140 1330 1596 1995 2280 2660 3192 3990 5320 7980 15960 828967 1657934 2486901 3315868 4144835 4973802 5802769 6631736 8289670 9947604 11605538 12434505 15750373 16579340 17408307 19895208 23211076 24869010 29013845 31500746 33158680 34816614 46422152 47251119 49738020 58027690 63001492 69633228 78751865 87041535 94502238 99476040 110252611 116055380 126002984 139266456 157503730 174083070 189004476 220505222 232110760 236255595 315007460 330757833 348166140 378008952 441010444 472511190 551263055 630014920 661515666 696332280 882020888 945022380 1102526110 1323031332 1653789165 1890044760 2205052220 2646062664 3307578330 4410104440 6615156660 13230313320