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13405040241 = 341331329257
BaseRepresentation
bin11000111110000000…
…01010111001110001
31021121012221121012220
430133000022321301
5204423142241431
610054100311253
7653121650655
oct143700127161
937535847186
1013405040241
11575988315a
1227213a2529
131358289498
14912482a65
15536cadb96
hex31f00ae71

13405040241 has 16 divisors (see below), whose sum is σ = 18364694208. Its totient is φ = 8692358400.

The previous prime is 13405040221. The next prime is 13405040249. The reversal of 13405040241 is 14204050431.

It is not a de Polignac number, because 13405040241 - 29 = 13405039729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13405040249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123916 + ... + 205341.

It is an arithmetic number, because the mean of its divisors is an integer number (1147793388).

Almost surely, 213405040241 is an apocalyptic number.

It is an amenable number.

13405040241 is a deficient number, since it is larger than the sum of its proper divisors (4959653967).

13405040241 is a wasteful number, since it uses less digits than its factorization.

13405040241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329632.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 13405040241 its reverse (14204050431), we get a palindrome (27609090672).

The spelling of 13405040241 in words is "thirteen billion, four hundred five million, forty thousand, two hundred forty-one".

Divisors: 1 3 41 123 331 993 13571 40713 329257 987771 13499537 40498611 108984067 326952201 4468346747 13405040241