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400107033401 is a prime number
BaseRepresentation
bin1011101001010000011…
…11001101001100111001
31102020202010222020012212
411310220033031030321
523023404400032101
6503450122144505
740623011445515
oct5645017151471
91366663866185
10400107033401
11144758a98159
1265663052135
132b96487530a
14155184a5145
15a61aedc1bb
hex5d283cd339

400107033401 has 2 divisors, whose sum is σ = 400107033402. Its totient is φ = 400107033400.

The previous prime is 400107033349. The next prime is 400107033409. The reversal of 400107033401 is 104330701004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 350110073401 + 49996960000 = 591701^2 + 223600^2 .

It is a cyclic number.

It is not a de Polignac number, because 400107033401 - 214 = 400107017017 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (400107033409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200053516700 + 200053516701.

It is an arithmetic number, because the mean of its divisors is an integer number (200053516701).

Almost surely, 2400107033401 is an apocalyptic number.

It is an amenable number.

400107033401 is a deficient number, since it is larger than the sum of its proper divisors (1).

400107033401 is an equidigital number, since it uses as much as digits as its factorization.

400107033401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

Adding to 400107033401 its reverse (104330701004), we get a palindrome (504437734405).

The spelling of 400107033401 in words is "four hundred billion, one hundred seven million, thirty-three thousand, four hundred one".