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13581540253380 = 22351120578091293
BaseRepresentation
bin1100010110100011001011…
…1000011101111011000100
31210002101022220002021221110
43011220302320131323010
53240004443301102010
644515135022245020
72601143141242221
oct305506270357304
953071286067843
1013581540253380
114366998448450
12163423a426770
13776970085218
1434d4c87a4948
15188448ad5120
hexc5a32e1dec4

13581540253380 has 48 divisors (see below), whose sum is σ = 41485432048704. Its totient is φ = 3292494606720.

The previous prime is 13581540253373. The next prime is 13581540253417. The reversal of 13581540253380 is 8335204518531.

13581540253380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 10289044987 + ... + 10289046306.

It is an arithmetic number, because the mean of its divisors is an integer number (864279834348).

Almost surely, 213581540253380 is an apocalyptic number.

13581540253380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13581540253380 is an abundant number, since it is smaller than the sum of its proper divisors (27903891795324).

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

13581540253380 is a wasteful number, since it uses less digits than its factorization.

13581540253380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20578091316 (or 20578091314 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 48.

The spelling of 13581540253380 in words is "thirteen trillion, five hundred eighty-one billion, five hundred forty million, two hundred fifty-three thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 20578091293 41156182586 61734273879 82312365172 102890456465 123468547758 205780912930 226359004223 246937095516 308671369395 411561825860 452718008446 617342738790 679077012669 905436016892 1131795021115 1234685477580 1358154025338 2263590042230 2716308050676 3395385063345 4527180084460 6790770126690 13581540253380