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13011123130 = 259713413529
BaseRepresentation
bin11000001111000010…
…11111101110111010
31020120202201112112021
430013201133232322
5203121321420010
65551025305054
7640266502405
oct140741375672
936522645467
1013011123130
115577492425
12263149518a
1312c4797835
148b6022d3c
155123ec8da
hex30785fbba

13011123130 has 16 divisors (see below), whose sum is σ = 23661466920. Its totient is φ = 5150794752.

The previous prime is 13011123071. The next prime is 13011123143. The reversal of 13011123130 is 3132111031.

It can be written as a sum of positive squares in 4 ways, for example, as 12569324769 + 441798361 = 112113^2 + 21019^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6705795 + ... + 6707734.

Almost surely, 213011123130 is an apocalyptic number.

13011123130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13011123130 is a deficient number, since it is larger than the sum of its proper divisors (10650343790).

13011123130 is a wasteful number, since it uses less digits than its factorization.

13011123130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13413633.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 13011123130 its reverse (3132111031), we get a palindrome (16143234161).

The spelling of 13011123130 in words is "thirteen billion, eleven million, one hundred twenty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 97 194 485 970 13413529 26827058 67067645 134135290 1301112313 2602224626 6505561565 13011123130