Search a number
-
+
164210346512 = 2431971340957
BaseRepresentation
bin1001100011101110110…
…0110000101000010000
3120200212002201220121122
42120323230300220100
510142300322042022
6203234233341412
714602166625632
oct2307354605020
9520762656548
10164210346512
1163706506883
12279a9867868
131263c628b14
147d3ab80a52
154411412742
hex263bb30a10

164210346512 has 40 divisors (see below), whose sum is σ = 328759886592. Its totient is φ = 79374556800.

The previous prime is 164210346479. The next prime is 164210346529. The reversal of 164210346512 is 215643012461.

It is a super-2 number, since 2×1642103465122 (a number of 23 digits) contains 22 as substring.

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, 311138 + ... + 652094.

Almost surely, 2164210346512 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 164210346512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164379943296).

164210346512 is an abundant number, since it is smaller than the sum of its proper divisors (164549540080).

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

164210346512 is a wasteful number, since it uses less digits than its factorization.

164210346512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341967 (or 341961 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 164210346512 its reverse (215643012461), we get a palindrome (379853358973).

The spelling of 164210346512 in words is "one hundred sixty-four billion, two hundred ten million, three hundred forty-six thousand, five hundred twelve".

Divisors: 1 2 4 8 16 31 62 124 248 496 971 1942 3884 7768 15536 30101 60202 120404 240808 340957 481616 681914 1363828 2727656 5455312 10569667 21139334 42278668 84557336 169114672 331069247 662138494 1324276988 2648553976 5297107952 10263146657 20526293314 41052586628 82105173256 164210346512