Search a number
-
+
10668022031656 = 2311211020683917
BaseRepresentation
bin1001101100111101011110…
…1010011110010100101000
31101202212000210112112201101
42123033113222132110220
52344241102120003111
634404453251331144
72150511350050363
oct233172752362450
941685023475641
1010668022031656
11344331235a800
12124364abb0ab4
135c4cb44cb0b2
1428c4994270da
15137776911bc1
hex9b3d7a9e528

10668022031656 has 24 divisors (see below), whose sum is σ = 21986264416410. Its totient is φ = 4849100923040.

The previous prime is 10668022031651. The next prime is 10668022031657. The reversal of 10668022031656 is 65613022086601.

It can be written as a sum of positive squares in only one way, i.e., 8204409263556 + 2463612768100 = 2864334^2 + 1569590^2 .

It is a super-2 number, since 2×106680220316562 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10668022031651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5510340991 + ... + 5510342926.

Almost surely, 210668022031656 is an apocalyptic number.

It is an amenable number.

10668022031656 is an abundant number, since it is smaller than the sum of its proper divisors (11318242384754).

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

10668022031656 is a wasteful number, since it uses less digits than its factorization.

10668022031656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11020683945 (or 11020683930 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

Subtracting 10668022031656 from its reverse (65613022086601), we obtain a palindrome (54945000054945).

The spelling of 10668022031656 in words is "ten trillion, six hundred sixty-eight billion, twenty-two million, thirty-one thousand, six hundred fifty-six".

Divisors: 1 2 4 8 11 22 44 88 121 242 484 968 11020683917 22041367834 44082735668 88165471336 121227523087 242455046174 484910092348 969820184696 1333502753957 2667005507914 5334011015828 10668022031656