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630164481241 = 139257112
BaseRepresentation
bin10010010101110001011…
…10101110010011011001
32020020120020122110201011
421022320232232103121
540311034101344431
61201254335453521
763346030466011
oct11127056562331
92206506573634
10630164481241
1122328446a839
12a21689872a1
1347569121989
14227004a6c41
15115d3136cb1
hex92b8bae4d9

630164481241 has 9 divisors (see below), whose sum is σ = 634841815413. Its totient is φ = 625521375420.

The previous prime is 630164481211. The next prime is 630164481251. The reversal of 630164481241 is 142184461036.

The square root of 630164481241 is 793829.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 630164481241 - 25 = 630164481209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 630164481194 and 630164481203.

It is not an unprimeable number, because it can be changed into a prime (630164481211) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 110339376 + ... + 110345086.

Almost surely, 2630164481241 is an apocalyptic number.

630164481241 is the 793829-th square number.

630164481241 is the 396915-th centered octagonal number.

It is an amenable number.

630164481241 is a deficient number, since it is larger than the sum of its proper divisors (4677334172).

630164481241 is an frugal number, since it uses more digits than its factorization.

630164481241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11700 (or 5850 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 630164481241 in words is "six hundred thirty billion, one hundred sixty-four million, four hundred eighty-one thousand, two hundred forty-one".

Divisors: 1 139 5711 19321 793829 32615521 110342231 4533557419 630164481241