Search a number
-
+
1064432729870 = 25106443272987
BaseRepresentation
bin11110111110101010010…
…00100111111100001110
310202202111010222020110122
433133111020213330032
5114414424234323440
62132554343304542
7136621430630306
oct17372510477416
93682433866418
101064432729870
11380472587574
1215236444b152
13794b61a83c3
14397398d4606
151ca4d21a7b5
hexf7d5227f0e

1064432729870 has 8 divisors (see below), whose sum is σ = 1915978913784. Its totient is φ = 425773091944.

The previous prime is 1064432729869. The next prime is 1064432729887. The reversal of 1064432729870 is 789272344601.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10644327298702 (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53221636484 + ... + 53221636503.

It is an arithmetic number, because the mean of its divisors is an integer number (239497364223).

Almost surely, 21064432729870 is an apocalyptic number.

1064432729870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1064432729870 is a deficient number, since it is larger than the sum of its proper divisors (851546183914).

1064432729870 is a wasteful number, since it uses less digits than its factorization.

1064432729870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106443272994.

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 1064432729870 in words is "one trillion, sixty-four billion, four hundred thirty-two million, seven hundred twenty-nine thousand, eight hundred seventy".

Divisors: 1 2 5 10 106443272987 212886545974 532216364935 1064432729870