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10221312130 = 251022131213
BaseRepresentation
bin10011000010011110…
…01101100010000010
3222101100012110021221
421201033031202002
5131413123442010
64410130105254
7511202501551
oct114117154202
928340173257
1010221312130
1143757340a7
121b9311b22a
13c6b7c71b3
146cd6d1d98
153ec526dda
hex2613cd882

10221312130 has 8 divisors (see below), whose sum is σ = 18398361852. Its totient is φ = 4088524848.

The previous prime is 10221312121. The next prime is 10221312139. The reversal of 10221312130 is 3121312201.

It is an interprime number because it is at equal distance from previous prime (10221312121) and next prime (10221312139).

It can be written as a sum of positive squares in 2 ways, for example, as 10198778121 + 22534009 = 100989^2 + 4747^2 .

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

It is not an unprimeable number, because it can be changed into a prime (10221312139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511065597 + ... + 511065616.

Almost surely, 210221312130 is an apocalyptic number.

10221312130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10221312130 is a deficient number, since it is larger than the sum of its proper divisors (8177049722).

10221312130 is a wasteful number, since it uses less digits than its factorization.

10221312130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022131220.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10221312130 its reverse (3121312201), we get a palindrome (13342624331).

The spelling of 10221312130 in words is "ten billion, two hundred twenty-one million, three hundred twelve thousand, one hundred thirty".

Divisors: 1 2 5 10 1022131213 2044262426 5110656065 10221312130