Search a number
-
+
1068396645 = 35371925039
BaseRepresentation
bin111111101011100…
…111000001100101
32202110101011200010
4333223213001211
54142002143040
6254003240433
735322136011
oct7753470145
92673334603
101068396645
114a909a238
12259979119
13140466c84
14a1c73541
1563be1e80
hex3fae7065

1068396645 has 16 divisors (see below), whose sum is σ = 1755636480. Its totient is φ = 554410944.

The previous prime is 1068396643. The next prime is 1068396653. The reversal of 1068396645 is 5466938601.

It is not a de Polignac number, because 1068396645 - 21 = 1068396643 is a prime.

It is a super-2 number, since 2×10683966452 = 2282942782094512050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1068396594 and 1068396603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068396643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 961965 + ... + 963074.

It is an arithmetic number, because the mean of its divisors is an integer number (109727280).

Almost surely, 21068396645 is an apocalyptic number.

1068396645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1068396645 is a deficient number, since it is larger than the sum of its proper divisors (687239835).

1068396645 is a wasteful number, since it uses less digits than its factorization.

1068396645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925084.

The product of its (nonzero) digits is 933120, while the sum is 48.

The square root of 1068396645 is about 32686.3372833360. The cubic root of 1068396645 is about 1022.2979859676.

The spelling of 1068396645 in words is "one billion, sixty-eight million, three hundred ninety-six thousand, six hundred forty-five".

Divisors: 1 3 5 15 37 111 185 555 1925039 5775117 9625195 28875585 71226443 213679329 356132215 1068396645