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1255222130 = 25125522213
BaseRepresentation
bin100101011010001…
…0010101101110010
310020110220220001112
41022310102231302
510032314102010
6324315433322
743051132511
oct11264225562
93213826045
101255222130
115945a3a68
122b0455842
1317008a7b6
14bc9c6678
15752e7a05
hex4ad12b72

1255222130 has 8 divisors (see below), whose sum is σ = 2259399852. Its totient is φ = 502088848.

The previous prime is 1255222123. The next prime is 1255222141. The reversal of 1255222130 is 312225521.

It can be written as a sum of positive squares in 2 ways, for example, as 1250966161 + 4255969 = 35369^2 + 2063^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1255222096 and 1255222105.

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, 62761097 + ... + 62761116.

Almost surely, 21255222130 is an apocalyptic number.

1255222130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1255222130 is a deficient number, since it is larger than the sum of its proper divisors (1004177722).

1255222130 is a wasteful number, since it uses less digits than its factorization.

1255222130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125522220.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1255222130 is about 35429.1141577093. The cubic root of 1255222130 is about 1078.7153592656.

Adding to 1255222130 its reverse (312225521), we get a palindrome (1567447651).

The spelling of 1255222130 in words is "one billion, two hundred fifty-five million, two hundred twenty-two thousand, one hundred thirty".

Divisors: 1 2 5 10 125522213 251044426 627611065 1255222130