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1228331106601 = 232481872
BaseRepresentation
bin10001110111111110001…
…111010100000100101001
311100102112111200102222221
4101313332033110010221
5130111110230402401
62340142034314041
7154513122064324
oct21677617240451
94312474612887
101228331106601
11433a28983885
1217a085728921
138baa5ca5101
14436470677bb
1521e420577a1
hex11dfe3d4129

1228331106601 has 9 divisors (see below), whose sum is σ = 1284085441821. Its totient is φ = 1174901023692.

The previous prime is 1228331106559. The next prime is 1228331106631. The reversal of 1228331106601 is 1066011338221.

The square root of 1228331106601 is 1108301.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1228331106601 - 29 = 1228331106089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1228331106631) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 25466830 + ... + 25515016.

Almost surely, 21228331106601 is an apocalyptic number.

1228331106601 is the 1108301-st square number.

1228331106601 is the 554151-st centered octagonal number.

It is an amenable number.

1228331106601 is a deficient number, since it is larger than the sum of its proper divisors (55754335220).

1228331106601 is an frugal number, since it uses more digits than its factorization.

1228331106601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96420 (or 48210 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 1228331106601 in words is "one trillion, two hundred twenty-eight billion, three hundred thirty-one million, one hundred six thousand, six hundred one".

Divisors: 1 23 529 48187 1108301 25490923 2321986969 53405700287 1228331106601