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630484280705 = 51957171160867
BaseRepresentation
bin10010010110010111100…
…10101010010110000001
32020021101112101222002202
421023023302222112001
540312212433440310
61201350202122545
763356662650656
oct11131362522601
92207345358082
10630484280705
11223428a37914
12a2237ab0455
13475ba462826
1422730b51c2d
15116012573a5
hex92cbcaa581

630484280705 has 16 divisors (see below), whose sum is σ = 796541186880. Its totient is φ = 477756724032.

The previous prime is 630484280689. The next prime is 630484280711. The reversal of 630484280705 is 507082484036.

It is a cyclic number.

It is not a de Polignac number, because 630484280705 - 24 = 630484280689 is a prime.

It is a super-2 number, since 2×6304842807052 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 630484280705.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37319 + ... + 1123548.

It is an arithmetic number, because the mean of its divisors is an integer number (49783824180).

Almost surely, 2630484280705 is an apocalyptic number.

It is an amenable number.

630484280705 is a deficient number, since it is larger than the sum of its proper divisors (166056906175).

630484280705 is a wasteful number, since it uses less digits than its factorization.

630484280705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166608.

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 630484280705 in words is "six hundred thirty billion, four hundred eighty-four million, two hundred eighty thousand, seven hundred five".

Divisors: 1 5 19 95 5717 28585 108623 543115 1160867 5804335 22056473 110282365 6636676639 33183383195 126096856141 630484280705