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212030320001 = 757280092893
BaseRepresentation
bin1100010101110111111…
…1011110110110000001
3202021021202110021001212
43011131333132312001
511433214230220001
6241223321335505
721214210661153
oct3053577366601
9667252407055
10212030320001
1181a15651725
1235114637595
1316cc083b516
14a395b52ad3
1557ae6d37bb
hex315dfded81

212030320001 has 4 divisors (see below), whose sum is σ = 212310413652. Its totient is φ = 211750226352.

The previous prime is 212030319997. The next prime is 212030320003. The reversal of 212030320001 is 100023030212.

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 2 ways, for example, as 136101966400 + 75928353601 = 368920^2 + 275551^2 .

It is a cyclic number.

It is not a de Polignac number, because 212030320001 - 22 = 212030319997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212030320003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140045690 + ... + 140047203.

It is an arithmetic number, because the mean of its divisors is an integer number (53077603413).

Almost surely, 2212030320001 is an apocalyptic number.

It is an amenable number.

212030320001 is a deficient number, since it is larger than the sum of its proper divisors (280093651).

212030320001 is an equidigital number, since it uses as much as digits as its factorization.

212030320001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280093650.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 212030320001 its reverse (100023030212), we get a palindrome (312053350213).

The spelling of 212030320001 in words is "two hundred twelve billion, thirty million, three hundred twenty thousand, one".

Divisors: 1 757 280092893 212030320001