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1631241051 = 31124493777
BaseRepresentation
bin110000100111010…
…1100001101011011
311012200110122001020
41201032230031123
511320044203201
6425511053523
755265214546
oct14116541533
94180418036
101631241051
1176787a600
123963712a3
131ccc538bb
1411690785d
1598320a36
hex613ac35b

1631241051 has 12 divisors (see below), whose sum is σ = 2390689896. Its totient is φ = 988630720.

The previous prime is 1631241041. The next prime is 1631241061. The reversal of 1631241051 is 1501421361.

It is a happy number.

1631241051 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1631241041) and next prime (1631241061).

It is not a de Polignac number, because 1631241051 - 210 = 1631240027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1631241011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2246526 + ... + 2247251.

It is an arithmetic number, because the mean of its divisors is an integer number (199224158).

Almost surely, 21631241051 is an apocalyptic number.

1631241051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1631241051 is a deficient number, since it is larger than the sum of its proper divisors (759448845).

1631241051 is a wasteful number, since it uses less digits than its factorization.

1631241051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4493802 (or 4493791 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1631241051 is about 40388.6252675181. The cubic root of 1631241051 is about 1177.1705287609.

The spelling of 1631241051 in words is "one billion, six hundred thirty-one million, two hundred forty-one thousand, fifty-one".

Divisors: 1 3 11 33 121 363 4493777 13481331 49431547 148294641 543747017 1631241051