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13103210124 = 223223156710099
BaseRepresentation
bin11000011010000001…
…10001111010001100
31020211012000001010200
430031000301322030
5203313410210444
610004115133500
7642465306534
oct141500617214
936735001120
1013103210124
115614469784
1226582a4290
13130a89a694
148c43544c4
1551a53c969
hex30d031e8c

13103210124 has 72 divisors (see below), whose sum is σ = 34587571200. Its totient is φ = 4174755552.

The previous prime is 13103210119. The next prime is 13103210143. The reversal of 13103210124 is 42101230131.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13103210097 and 13103210106.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1292427 + ... + 1302525.

Almost surely, 213103210124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13103210124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17293785600).

13103210124 is an abundant number, since it is smaller than the sum of its proper divisors (21484361076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13103210124 is a wasteful number, since it uses less digits than its factorization.

13103210124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11699 (or 11694 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 13103210124 its reverse (42101230131), we get a palindrome (55204440255).

The spelling of 13103210124 in words is "thirteen billion, one hundred three million, two hundred ten thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 9 12 18 23 36 46 69 92 138 207 276 414 828 1567 3134 4701 6268 9402 10099 14103 18804 20198 28206 30297 36041 40396 56412 60594 72082 90891 108123 121188 144164 181782 216246 232277 324369 363564 432492 464554 648738 696831 929108 1297476 1393662 2090493 2787324 4180986 8361972 15825133 31650266 47475399 63300532 94950798 142426197 189901596 284852394 363978059 569704788 727956118 1091934177 1455912236 2183868354 3275802531 4367736708 6551605062 13103210124