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468656656864 = 25117118752267
BaseRepresentation
bin1101101000111100001…
…11010001000111100000
31122210200111011220111221
412310132013101013200
530134302101004424
6555144202344424
745600514566244
oct6643607210740
91583614156457
10468656656864
11170835512930
12769b41bb114
133526a6835a6
141897c614424
15c2ce1069e4
hex6d1e1d11e0

468656656864 has 48 divisors (see below), whose sum is σ = 1020723451776. Its totient is φ = 210025379200.

The previous prime is 468656656813. The next prime is 468656656873.

468656656864 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 468656656793 and 468656656802.

It is a congruent number.

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, 9351142 + ... + 9401125.

It is an arithmetic number, because the mean of its divisors is an integer number (21265071912).

Almost surely, 2468656656864 is an apocalyptic number.

468656656864 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

468656656864 is an abundant number, since it is smaller than the sum of its proper divisors (552066794912).

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

468656656864 is a wasteful number, since it uses less digits than its factorization.

468656656864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18752359 (or 18752351 counting only the distinct ones).

The product of its digits is 1194393600, while the sum is 70.

The spelling of 468656656864 in words is "four hundred sixty-eight billion, six hundred fifty-six million, six hundred fifty-six thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 11 16 22 32 44 71 88 142 176 284 352 568 781 1136 1562 2272 3124 6248 12496 24992 18752267 37504534 75009068 150018136 206274937 300036272 412549874 600072544 825099748 1331410957 1650199496 2662821914 3300398992 5325643828 6600797984 10651287656 14645520527 21302575312 29291041054 42605150624 58582082108 117164164216 234328328432 468656656864