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13125322153520 = 245164066526919
BaseRepresentation
bin1011111011111111101000…
…1010100001111000110000
31201110202202021020112212222
42332333322022201320300
53210021124432403040
643525404553140212
72523162501336353
oct276777212417060
951422667215788
1013125322153520
1142004661a75a5
12157b9379ba668
13742935687845
143353aa12c29a
1517b6469cbbb5
hexbeffa2a1e30

13125322153520 has 20 divisors (see below), whose sum is σ = 30516374007120. Its totient is φ = 5250128861376.

The previous prime is 13125322153519. The next prime is 13125322153561. The reversal of 13125322153520 is 2535122352131.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82033263380 + ... + 82033263539.

It is an arithmetic number, because the mean of its divisors is an integer number (1525818700356).

Almost surely, 213125322153520 is an apocalyptic number.

13125322153520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13125322153520 is an abundant number, since it is smaller than the sum of its proper divisors (17391051853600).

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

13125322153520 is a wasteful number, since it uses less digits than its factorization.

13125322153520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164066526932 (or 164066526926 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 13125322153520 in words is "thirteen trillion, one hundred twenty-five billion, three hundred twenty-two million, one hundred fifty-three thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 164066526919 328133053838 656266107676 820332634595 1312532215352 1640665269190 2625064430704 3281330538380 6562661076760 13125322153520