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13090812548 = 22111097271211
BaseRepresentation
bin11000011000100010…
…11111001010000100
31020210022200011212012
430030101133022010
5203302222000143
610002553313352
7642255033152
oct141421371204
936708604765
1013090812548
115608471250
122654105858
131308149738
148c28483d2
155193de418
hex30c45f284

13090812548 has 24 divisors (see below), whose sum is σ = 25014425184. Its totient is φ = 5944923200.

The previous prime is 13090812529. The next prime is 13090812571. The reversal of 13090812548 is 84521809031.

It is a super-3 number, since 3×130908125483 (a number of 31 digits) contains 333 as substring.

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, 87338 + ... + 183873.

It is an arithmetic number, because the mean of its divisors is an integer number (1042267716).

Almost surely, 213090812548 is an apocalyptic number.

It is an amenable number.

13090812548 is a deficient number, since it is larger than the sum of its proper divisors (11923612636).

13090812548 is a wasteful number, since it uses less digits than its factorization.

13090812548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272323 (or 272321 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The spelling of 13090812548 in words is "thirteen billion, ninety million, eight hundred twelve thousand, five hundred forty-eight".

Divisors: 1 2 4 11 22 44 1097 2194 4388 12067 24134 48268 271211 542422 1084844 2983321 5966642 11933284 297518467 595036934 1190073868 3272703137 6545406274 13090812548