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3005638168 = 2313374119051
BaseRepresentation
bin1011001100100110…
…0110011000011000
321202110122020110011
42303021212120120
522123420410133
61214125131304
7134324334331
oct26311463030
97673566404
103005638168
111302671495
126ba6b9b34
1338b909930
14207273288
15128d096cd
hexb3266618

3005638168 has 64 divisors (see below), whose sum is σ = 6385468320. Its totient is φ = 1316736000.

The previous prime is 3005638147. The next prime is 3005638171. The reversal of 3005638168 is 8618365003.

It is a self number, because there is not a number n which added to its sum of digits gives 3005638168.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148243 + ... + 167293.

Almost surely, 23005638168 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 3005638168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3192734160).

3005638168 is an abundant number, since it is smaller than the sum of its proper divisors (3379830152).

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

3005638168 is a wasteful number, since it uses less digits than its factorization.

3005638168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19148 (or 19144 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 3005638168 is about 54823.7007871596. The cubic root of 3005638168 is about 1443.1525210309.

The spelling of 3005638168 in words is "three billion, five million, six hundred thirty-eight thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 13 26 37 41 52 74 82 104 148 164 296 328 481 533 962 1066 1517 1924 2132 3034 3848 4264 6068 12136 19051 19721 38102 39442 76204 78884 152408 157768 247663 495326 704887 781091 990652 1409774 1562182 1981304 2819548 3124364 5639096 6248728 9163531 10154183 18327062 20308366 28900367 36654124 40616732 57800734 73308248 81233464 115601468 231202936 375704771 751409542 1502819084 3005638168