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13101221030320 = 2451123296949117
BaseRepresentation
bin1011111010100101110110…
…1000000010100110110000
31201101110112121201122020101
42332221131220002212300
53204122300040432240
643510341242322144
72521350320225143
oct276513550024660
951343477648211
1013101221030320
1141a12187a5a65
1215771304b9354
137405944436b7
143341612cc05a
1517abd5bb339a
hexbea5da029b0

13101221030320 has 80 divisors (see below), whose sum is σ = 30498352489440. Its totient is φ = 5233951844352.

The previous prime is 13101221030279. The next prime is 13101221030327. The reversal of 13101221030320 is 2303012210131.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (13101221030327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266710402 + ... + 266759518.

It is an arithmetic number, because the mean of its divisors is an integer number (381229406118).

Almost surely, 213101221030320 is an apocalyptic number.

13101221030320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13101221030320 is an abundant number, since it is smaller than the sum of its proper divisors (17397131459120).

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

13101221030320 is a wasteful number, since it uses less digits than its factorization.

13101221030320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53222 (or 53216 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13101221030320 its reverse (2303012210131), we get a palindrome (15404233240451).

The spelling of 13101221030320 in words is "thirteen trillion, one hundred one billion, two hundred twenty-one million, thirty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1123 2246 2969 4492 5615 5938 8984 11230 11876 14845 17968 22460 23752 29690 44920 47504 49117 59380 89840 98234 118760 196468 237520 245585 392936 491170 785872 982340 1964680 3334187 3929360 6668374 13336748 16670935 26673496 33341870 53346992 55158391 66683740 110316782 133367480 145828373 220633564 266734960 275791955 291656746 441267128 551583910 583313492 729141865 882534256 1103167820 1166626984 1458283730 2206335640 2333253968 2916567460 4412671280 5833134920 11666269840 163765262879 327530525758 655061051516 818826314395 1310122103032 1637652628790 2620244206064 3275305257580 6550610515160 13101221030320