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13002210123 = 372313977187
BaseRepresentation
bin11000001101111110…
…11111101101001011
31020120010221201011220
430012333133231023
5203112031210443
65550110253123
7640130651100
oct140677375513
936503851156
1013002210123
115572454a01
12262a4b71a3
1312c2996976
148b4b82aa7
1551173ba83
hex306fdfb4b

13002210123 has 48 divisors (see below), whose sum is σ = 20872571904. Its totient is φ = 7171053120.

The previous prime is 13002210119. The next prime is 13002210187. The reversal of 13002210123 is 32101220031.

It is not a de Polignac number, because 13002210123 - 22 = 13002210119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13002210223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1805536 + ... + 1812722.

It is an arithmetic number, because the mean of its divisors is an integer number (434845248).

Almost surely, 213002210123 is an apocalyptic number.

13002210123 is a deficient number, since it is larger than the sum of its proper divisors (7870361781).

13002210123 is a wasteful number, since it uses less digits than its factorization.

13002210123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7632 (or 7625 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 13002210123 its reverse (32101220031), we get a palindrome (45103430154).

The spelling of 13002210123 in words is "thirteen billion, two million, two hundred ten thousand, one hundred twenty-three".

Divisors: 1 3 7 21 31 49 93 147 217 397 651 1191 1519 2779 4557 7187 8337 12307 19453 21561 36921 50309 58359 86149 150927 222797 258447 352163 603043 668391 1056489 1559579 1809129 2853239 4678737 8559717 10917053 19972673 32751159 59918019 88450409 139808711 265351227 419426133 619152863 1857458589 4334070041 13002210123