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402201132881 is a prime number
BaseRepresentation
bin1011101101001010000…
…11100011111101010001
31102110011002101111122212
411312211003203331101
523042201442223011
6504434010041505
741025630136022
oct5664503437521
91373132344585
10402201132881
11145633066089
1265b48419295
132bc09678532
1415676656c49
15a6dec8b08b
hex5da50e3f51

402201132881 has 2 divisors, whose sum is σ = 402201132882. Its totient is φ = 402201132880.

The previous prime is 402201132869. The next prime is 402201133013. The reversal of 402201132881 is 188231102204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 317880588481 + 84320544400 = 563809^2 + 290380^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-402201132881 is a prime.

It is a super-2 number, since 2×4022011328812 (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (402201132481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201100566440 + 201100566441.

It is an arithmetic number, because the mean of its divisors is an integer number (201100566441).

Almost surely, 2402201132881 is an apocalyptic number.

It is an amenable number.

402201132881 is a deficient number, since it is larger than the sum of its proper divisors (1).

402201132881 is an equidigital number, since it uses as much as digits as its factorization.

402201132881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 32.

The spelling of 402201132881 in words is "four hundred two billion, two hundred one million, one hundred thirty-two thousand, eight hundred eighty-one".