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630457274950 = 252312123710607
BaseRepresentation
bin10010010110010100010…
…11101001001001000110
32020021022122120221011121
421023022023221021012
540312134030244300
61201343355224154
763356214262666
oct11131213511106
92207278527147
10630457274950
11223414772008
12a222aa4805a
13475b49986a9
142272b3221a6
15115edbc081a
hex92ca2e9246

630457274950 has 72 divisors (see below), whose sum is σ = 1212792081696. Its totient is φ = 243827697600.

The previous prime is 630457274947. The next prime is 630457275047. The reversal of 630457274950 is 59472754036.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 59432547 + ... + 59443153.

It is an arithmetic number, because the mean of its divisors is an integer number (16844334468).

Almost surely, 2630457274950 is an apocalyptic number.

630457274950 is a deficient number, since it is larger than the sum of its proper divisors (582334806746).

630457274950 is a wasteful number, since it uses less digits than its factorization.

630457274950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11918 (or 11882 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 52.

The spelling of 630457274950 in words is "six hundred thirty billion, four hundred fifty-seven million, two hundred seventy-four thousand, nine hundred fifty".

Divisors: 1 2 5 10 25 31 50 62 155 310 775 961 1237 1550 1922 2474 4805 6185 9610 10607 12370 21214 24025 30925 38347 48050 53035 61850 76694 106070 191735 265175 328817 383470 530350 657634 958675 1188757 1644085 1917350 2377514 3288170 5943785 8220425 10193327 11887570 13120859 16440850 20386654 26241718 29718925 50966635 59437850 65604295 101933270 131208590 254833175 328021475 406746629 509666350 656042950 813493258 2033733145 4067466290 10168665725 12609145499 20337331450 25218290998 63045727495 126091454990 315228637475 630457274950