Search a number
-
+
9090909106704 = 243263131313241
BaseRepresentation
bin1000010001001010010001…
…1010000111001000010000
31012012002020002022221102100
42010102210122013020100
52142421140212403304
631200150032120400
71625540126266545
oct204224432071020
935162202287370
109090909106704
112995484211577
121029a67096100
1350c366146719
14236006630bcc
1510b71e783439
hex844a4687210

9090909106704 has 30 divisors (see below), whose sum is σ = 25441919236526. Its totient is φ = 3030303035520.

The previous prime is 9090909106703. The next prime is 9090909106711. The reversal of 9090909106704 is 4076019090909.

It can be written as a sum of positive squares in only one way, i.e., 5747277433104 + 3343631673600 = 2397348^2 + 1828560^2 .

It is not an unprimeable number, because it can be changed into a prime (9090909106703) 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, 31565656477 + ... + 31565656764.

Almost surely, 29090909106704 is an apocalyptic number.

It is an amenable number.

9090909106704 is an abundant number, since it is smaller than the sum of its proper divisors (16351010129822).

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

9090909106704 is a wasteful number, since it uses less digits than its factorization.

9090909106704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63131313255 (or 63131313246 counting only the distinct ones).

The product of its (nonzero) digits is 1102248, while the sum is 54.

The spelling of 9090909106704 in words is "nine trillion, ninety billion, nine hundred nine million, one hundred six thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 63131313241 126262626482 189393939723 252525252964 378787879446 505050505928 568181819169 757575758892 1010101011856 1136363638338 1515151517784 2272727276676 3030303035568 4545454553352 9090909106704