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13380024138 = 2313376176003
BaseRepresentation
bin11000111011000001…
…01111011101001010
31021112110212122120120
430131200233131022
5204400241233023
610051404204110
7652366220505
oct143540573512
937473778516
1013380024138
115746747198
122714b39636
13135303ab60
1490d01013c
155349bb8e3
hex31d82f74a

13380024138 has 64 divisors (see below), whose sum is σ = 30082991232. Its totient is φ = 3939943680.

The previous prime is 13380024059. The next prime is 13380024139. The reversal of 13380024138 is 83142008331.

It is a junction number, because it is equal to n+sod(n) for n = 13380024099 and 13380024108.

It is not an unprimeable number, because it can be changed into a prime (13380024139) 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, 138045 + ... + 214047.

It is an arithmetic number, because the mean of its divisors is an integer number (470046738).

Almost surely, 213380024138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13380024138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15041495616).

13380024138 is an abundant number, since it is smaller than the sum of its proper divisors (16702967094).

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

13380024138 is a wasteful number, since it uses less digits than its factorization.

13380024138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76119.

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 13380024138 in words is "thirteen billion, three hundred eighty million, twenty-four thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 13 26 37 39 61 74 78 111 122 183 222 366 481 793 962 1443 1586 2257 2379 2886 4514 4758 6771 13542 29341 58682 76003 88023 152006 176046 228009 456018 988039 1976078 2812111 2964117 4636183 5624222 5928234 8436333 9272366 13908549 16872666 27817098 36557443 60270379 73114886 109672329 120540758 171538771 180811137 219344658 343077542 361622274 514616313 1029232626 2230004023 4460008046 6690012069 13380024138