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13155004245660 = 22351249175540489
BaseRepresentation
bin1011111101101110001101…
…0110101110011010011100
31201120121100212100001122220
42333123203112232122130
53211012422041330120
643551154151305340
72525263161062214
oct277334326563234
951517325301586
1013155004245660
114212007a45762
12158564037b250
13745685c21a84
143369c4261244
1517c2d275ab40
hexbf6e35ae69c

13155004245660 has 48 divisors (see below), whose sum is σ = 36863502900000. Its totient is φ = 3505192464384.

The previous prime is 13155004245503. The next prime is 13155004245673. The reversal of 13155004245660 is 6654240055131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87695305 + ... + 87845184.

It is an arithmetic number, because the mean of its divisors is an integer number (767989643750).

Almost surely, 213155004245660 is an apocalyptic number.

13155004245660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13155004245660 is an abundant number, since it is smaller than the sum of its proper divisors (23708498654340).

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

13155004245660 is a wasteful number, since it uses less digits than its factorization.

13155004245660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175541750 (or 175541748 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 13155004245660 in words is "thirteen trillion, one hundred fifty-five billion, four million, two hundred forty-five thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1249 2498 3747 4996 6245 7494 12490 14988 18735 24980 37470 74940 175540489 351080978 526621467 702161956 877702445 1053242934 1755404890 2106485868 2633107335 3510809780 5266214670 10532429340 219250070761 438500141522 657750212283 877000283044 1096250353805 1315500424566 2192500707610 2631000849132 3288751061415 4385001415220 6577502122830 13155004245660