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13013111433 = 372419672659
BaseRepresentation
bin11000001111010010…
…00101001010001001
31020120220110112222010
430013221011022021
5203122324031213
65551140050133
7640322423250
oct140751051211
936526415863
1013013111433
115578620253
122632093949
1312c501284a
148b63bd797
15512691ac3
hex307a45289

13013111433 has 32 divisors (see below), whose sum is σ = 19939870720. Its totient is φ = 7394768640.

The previous prime is 13013111413. The next prime is 13013111437. The reversal of 13013111433 is 33411131031.

It is not a de Polignac number, because 13013111433 - 26 = 13013111369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (13013111437) 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, 4892658 + ... + 4895316.

It is an arithmetic number, because the mean of its divisors is an integer number (623120960).

Almost surely, 213013111433 is an apocalyptic number.

It is an amenable number.

13013111433 is a deficient number, since it is larger than the sum of its proper divisors (6926759287).

13013111433 is a wasteful number, since it uses less digits than its factorization.

13013111433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3877.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 13013111433 its reverse (33411131031), we get a palindrome (46424242464).

The spelling of 13013111433 in words is "thirteen billion, thirteen million, one hundred eleven thousand, four hundred thirty-three".

Divisors: 1 3 7 21 241 723 967 1687 2659 2901 5061 6769 7977 18613 20307 55839 233047 640819 699141 1631329 1922457 2571253 4485733 4893987 7713759 13457199 17998771 53996313 619671973 1859015919 4337703811 13013111433