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13045131235 = 5314313914081
BaseRepresentation
bin11000010011000110…
…01110011111100011
31020200010201022212201
430021203032133203
5203204023144420
65554242234031
7641161533403
oct141143163743
936603638781
1013045131235
1155947001a4
122640955917
1312cb843c86
148ba756803
155153b910a
hex3098ce7e3

13045131235 has 32 divisors (see below), whose sum is σ = 16655063040. Its totient is φ = 9792921600.

The previous prime is 13045131223. The next prime is 13045131241. The reversal of 13045131235 is 53213154031.

It is a happy number.

It is not a de Polignac number, because 13045131235 - 225 = 13011576803 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, 919395 + ... + 933475.

It is an arithmetic number, because the mean of its divisors is an integer number (520470720).

Almost surely, 213045131235 is an apocalyptic number.

13045131235 is a deficient number, since it is larger than the sum of its proper divisors (3609931805).

13045131235 is a wasteful number, since it uses less digits than its factorization.

13045131235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14299.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 13045131235 its reverse (53213154031), we get a palindrome (66258285266).

The spelling of 13045131235 in words is "thirteen billion, forty-five million, one hundred thirty-one thousand, two hundred thirty-five".

Divisors: 1 5 31 43 139 155 215 695 1333 4309 5977 6665 14081 21545 29885 70405 185287 436511 605483 926435 1957259 2182555 3027415 9786295 18769973 60675029 84162137 93849865 303375145 420810685 2609026247 13045131235