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13430621513020 = 225671531075651
BaseRepresentation
bin1100001101110000111101…
…1011001010010100111100
31202112221210002211221020011
43003130033123022110330
53230021403101404040
644321535314033004
72554221215150515
oct303341733122474
952487702757204
1013430621513020
114308992788048
12160ab3bb78764
1376566b37a41a
1434608cdb9a0c
151845645263ea
hexc370f6ca53c

13430621513020 has 12 divisors (see below), whose sum is σ = 28204305177384. Its totient is φ = 5372248605200.

The previous prime is 13430621512991. The next prime is 13430621513027. The reversal of 13430621513020 is 2031512603431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13430621513027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335765537806 + ... + 335765537845.

It is an arithmetic number, because the mean of its divisors is an integer number (2350358764782).

Almost surely, 213430621513020 is an apocalyptic number.

13430621513020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13430621513020 is an abundant number, since it is smaller than the sum of its proper divisors (14773683664364).

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

13430621513020 is a wasteful number, since it uses less digits than its factorization.

13430621513020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671531075660 (or 671531075658 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 13430621513020 in words is "thirteen trillion, four hundred thirty billion, six hundred twenty-one million, five hundred thirteen thousand, twenty".

Divisors: 1 2 4 5 10 20 671531075651 1343062151302 2686124302604 3357655378255 6715310756510 13430621513020