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10021001149 is a prime number
BaseRepresentation
bin10010101010100110…
…00101011110111101
3221212101021121021201
421111103011132331
5131010334014044
64334212455501
7503221050535
oct112523053675
927771247251
1010021001149
114282659535
121b3801a591
13c391614a3
146b0c6c4c5
153d9b5a7d4
hex2554c57bd

10021001149 has 2 divisors, whose sum is σ = 10021001150. Its totient is φ = 10021001148.

The previous prime is 10021001093. The next prime is 10021001173. The reversal of 10021001149 is 94110012001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6163349049 + 3857652100 = 78507^2 + 62110^2 .

It is a cyclic number.

It is not a de Polignac number, because 10021001149 - 211 = 10020999101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10021001189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010500574 + 5010500575.

It is an arithmetic number, because the mean of its divisors is an integer number (5010500575).

Almost surely, 210021001149 is an apocalyptic number.

It is an amenable number.

10021001149 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021001149 is an equidigital number, since it uses as much as digits as its factorization.

10021001149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 10021001149 in words is "ten billion, twenty-one million, one thousand, one hundred forty-nine".