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7402212001 is a prime number
BaseRepresentation
bin1101110010011010…
…01100101010100001
3201002212120022221001
412321031030222201
5110124431241001
63222303032001
7351301523002
oct67115145241
921085508831
107402212001
1131593a0488
121526b9b601
1390c740302
145031391a9
152d4cb8001
hex1b934caa1

7402212001 has 2 divisors, whose sum is σ = 7402212002. Its totient is φ = 7402212000.

The previous prime is 7402211989. The next prime is 7402212007. The reversal of 7402212001 is 1002122047.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6412165776 + 990046225 = 80076^2 + 31465^2 .

It is an emirp because it is prime and its reverse (1002122047) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7402212001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7402212001.

It is not a weakly prime, because it can be changed into another prime (7402212007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3701106000 + 3701106001.

It is an arithmetic number, because the mean of its divisors is an integer number (3701106001).

Almost surely, 27402212001 is an apocalyptic number.

It is an amenable number.

7402212001 is a deficient number, since it is larger than the sum of its proper divisors (1).

7402212001 is an equidigital number, since it uses as much as digits as its factorization.

7402212001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 7402212001 is about 86036.1087044271. The cubic root of 7402212001 is about 1948.8893084024.

Adding to 7402212001 its reverse (1002122047), we get a palindrome (8404334048).

The spelling of 7402212001 in words is "seven billion, four hundred two million, two hundred twelve thousand, one".