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12210001058 = 26105000529
BaseRepresentation
bin10110101111100010…
…11101010010100010
31011111221021022122102
423113301131102202
5200001230013213
65335330410402
7611401203503
oct132761352242
934457238572
1012210001058
1151a6255572
122449130a02
1311c7810cc8
1483b884baa
154b6e03158
hex2d7c5d4a2

12210001058 has 4 divisors (see below), whose sum is σ = 18315001590. Its totient is φ = 6105000528.

The previous prime is 12210001057. The next prime is 12210001117. The reversal of 12210001058 is 85010001221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11257846609 + 952154449 = 106103^2 + 30857^2 .

It is a super-2 number, since 2×122100010582 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12210001057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3052500263 + ... + 3052500266.

Almost surely, 212210001058 is an apocalyptic number.

12210001058 is a deficient number, since it is larger than the sum of its proper divisors (6105000532).

12210001058 is an equidigital number, since it uses as much as digits as its factorization.

12210001058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6105000531.

The product of its (nonzero) digits is 160, while the sum is 20.

Adding to 12210001058 its reverse (85010001221), we get a palindrome (97220002279).

The spelling of 12210001058 in words is "twelve billion, two hundred ten million, one thousand, fifty-eight".

Divisors: 1 2 6105000529 12210001058