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13045311235 = 5112361316823
BaseRepresentation
bin11000010011000111…
…11010011100000011
31020200011001110210101
430021203322130003
5203204044424420
65554250143231
7641163213235
oct141143723403
936604043711
1013045311235
115594813460
122640a21b17
1312cb8a7b98
148ba7a2255
1551540260a
hex3098fa703

13045311235 has 32 divisors (see below), whose sum is σ = 17850129408. Its totient is φ = 9059656320.

The previous prime is 13045311217. The next prime is 13045311239. The reversal of 13045311235 is 53211354031.

It is a happy number.

It is not a de Polignac number, because 13045311235 - 211 = 13045309187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13045311239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 767034 + ... + 783856.

It is an arithmetic number, because the mean of its divisors is an integer number (557816544).

Almost surely, 213045311235 is an apocalyptic number.

13045311235 is a deficient number, since it is larger than the sum of its proper divisors (4804818173).

13045311235 is a wasteful number, since it uses less digits than its factorization.

13045311235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17475.

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

Adding to 13045311235 its reverse (53211354031), we get a palindrome (66256665266).

The spelling of 13045311235 in words is "thirteen billion, forty-five million, three hundred eleven thousand, two hundred thirty-five".

Divisors: 1 5 11 23 55 115 253 613 1265 3065 6743 14099 16823 33715 70495 84115 155089 185053 386929 775445 925265 1934645 4256219 10312499 21281095 51562495 113437489 237187477 567187445 1185937385 2609062247 13045311235