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13013052452 = 2210693043277
BaseRepresentation
bin11000001111010001…
…10110110000100100
31020120220100120001122
430013220312300210
5203122320134302
65551134513112
7640322056301
oct140750666044
936526316048
1013013052452
11557858aa04
122632065798
1312c4cc1a4a
148b63a60a8
1551267e3a2
hex307a36c24

13013052452 has 12 divisors (see below), whose sum is σ = 22794152220. Its totient is φ = 6500437536.

The previous prime is 13013052433. The next prime is 13013052517. The reversal of 13013052452 is 25425031031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6749279716 + 6263772736 = 82154^2 + 79144^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1517363 + ... + 1525914.

It is an arithmetic number, because the mean of its divisors is an integer number (1899512685).

Almost surely, 213013052452 is an apocalyptic number.

It is an amenable number.

13013052452 is a deficient number, since it is larger than the sum of its proper divisors (9781099768).

13013052452 is a wasteful number, since it uses less digits than its factorization.

13013052452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3044350 (or 3044348 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 13013052452 its reverse (25425031031), we get a palindrome (38438083483).

The spelling of 13013052452 in words is "thirteen billion, thirteen million, fifty-two thousand, four hundred fifty-two".

Divisors: 1 2 4 1069 2138 4276 3043277 6086554 12173108 3253263113 6506526226 13013052452