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13105467137 = 7423237319
BaseRepresentation
bin11000011010010010…
…11000111100000001
31020211100020201011202
430031021120330001
5203314444422022
610004235350545
7642523430000
oct141511307401
936740221152
1013105467137
115615770484
122658bb2455
13130b1aaaa9
148c4780c37
1551a836592
hex30d258f01

13105467137 has 20 divisors (see below), whose sum is σ = 15953599680. Its totient is φ = 10744809768.

The previous prime is 13105467121. The next prime is 13105467149. The reversal of 13105467137 is 73176450131.

It is not a de Polignac number, because 13105467137 - 24 = 13105467121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13105467137.

It is not an unprimeable number, because it can be changed into a prime (13105467187) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 63437 + ... + 173882.

It is an arithmetic number, because the mean of its divisors is an integer number (797679984).

Almost surely, 213105467137 is an apocalyptic number.

It is an amenable number.

13105467137 is a deficient number, since it is larger than the sum of its proper divisors (2848132543).

13105467137 is an frugal number, since it uses more digits than its factorization.

13105467137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237370 (or 237349 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 38.

The spelling of 13105467137 in words is "thirteen billion, one hundred five million, four hundred sixty-seven thousand, one hundred thirty-seven".

Divisors: 1 7 23 49 161 343 1127 2401 7889 55223 237319 1661233 5458337 11628631 38208359 81400417 267458513 569802919 1872209591 13105467137