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13055011305 = 357671855723
BaseRepresentation
bin11000010100010001…
…11010100111101001
31020200211022021210020
430022020322213221
5203214040330210
65555234111053
7641341523310
oct141210724751
936624267706
1013055011305
11559a239246
12264411b489
1313008c307b
148bbba9277
155161bb770
hex30a23a9e9

13055011305 has 32 divisors (see below), whose sum is σ = 24228332544. Its totient is φ = 5878927296.

The previous prime is 13055011279. The next prime is 13055011313. The reversal of 13055011305 is 50311055031.

It is not a de Polignac number, because 13055011305 - 25 = 13055011273 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 920827 + ... + 934896.

It is an arithmetic number, because the mean of its divisors is an integer number (757135392).

Almost surely, 213055011305 is an apocalyptic number.

13055011305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13055011305 is a deficient number, since it is larger than the sum of its proper divisors (11173321239).

13055011305 is a wasteful number, since it uses less digits than its factorization.

13055011305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855805.

The product of its (nonzero) digits is 1125, while the sum is 24.

Adding to 13055011305 its reverse (50311055031), we get a palindrome (63366066336).

The spelling of 13055011305 in words is "thirteen billion, fifty-five million, eleven thousand, three hundred five".

Divisors: 1 3 5 7 15 21 35 67 105 201 335 469 1005 1407 2345 7035 1855723 5567169 9278615 12990061 27835845 38970183 64950305 124333441 194850915 373000323 621667205 870334087 1865001615 2611002261 4351670435 13055011305