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13030021002120 = 2335108583508351
BaseRepresentation
bin1011110110011100100111…
…0001011111001110001000
31201010122202120022110010220
42331213021301133032020
53201440440334031440
643413524202510040
72513250032042043
oct275471161371610
951118676273126
1013030021002120
114174001188a51
12156537b805320
137369584c4ab5
14330929179c5a
15178e1a05d8d0
hexbd9c9c5f388

13030021002120 has 32 divisors (see below), whose sum is σ = 39090063006720. Its totient is φ = 3474672267200.

The previous prime is 13030021001993. The next prime is 13030021002179. The reversal of 13030021002120 is 2120012003031.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 13030021002120.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54291754056 + ... + 54291754295.

It is an arithmetic number, because the mean of its divisors is an integer number (1221564468960).

Almost surely, 213030021002120 is an apocalyptic number.

13030021002120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13030021002120 is an abundant number, since it is smaller than the sum of its proper divisors (26060042004600).

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

13030021002120 is a wasteful number, since it uses less digits than its factorization.

13030021002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108583508365 (or 108583508361 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 13030021002120 its reverse (2120012003031), we get a palindrome (15150033005151).

The spelling of 13030021002120 in words is "thirteen trillion, thirty billion, twenty-one million, two thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 108583508351 217167016702 325750525053 434334033404 542917541755 651501050106 868668066808 1085835083510 1303002100212 1628752625265 2171670167020 2606004200424 3257505250530 4343340334040 6515010501060 13030021002120