Search a number
-
+
1064487226881 = 31343163328409
BaseRepresentation
bin11110111110110000110…
…00100000111000000001
310202202121221111222022110
433133120120200320001
5114420032212230011
62133004011325533
7136622662064601
oct17373030407001
93682557458273
101064487226881
113804a0319a21
1215237a7508a9
13794c4579660
1439742c3cc01
151ca52dd2ba6
hexf7d8620e01

1064487226881 has 16 divisors (see below), whose sum is σ = 1532040894720. Its totient is φ = 653549170560.

The previous prime is 1064487226811. The next prime is 1064487226963. The reversal of 1064487226881 is 1886227844601.

It is not a de Polignac number, because 1064487226881 - 217 = 1064487095809 is a prime.

It is a super-2 number, since 2×10644872268812 (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1064487226811) 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, 31647396 + ... + 31681013.

It is an arithmetic number, because the mean of its divisors is an integer number (95752555920).

Almost surely, 21064487226881 is an apocalyptic number.

It is an amenable number.

1064487226881 is a deficient number, since it is larger than the sum of its proper divisors (467553667839).

1064487226881 is a wasteful number, since it uses less digits than its factorization.

1064487226881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63328856.

The product of its (nonzero) digits is 8257536, while the sum is 57.

The spelling of 1064487226881 in words is "one trillion, sixty-four billion, four hundred eighty-seven million, two hundred twenty-six thousand, eight hundred eighty-one".

Divisors: 1 3 13 39 431 1293 5603 16809 63328409 189985227 823269317 2469807951 27294544279 81883632837 354829075627 1064487226881