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630225399602 = 2191229392
BaseRepresentation
bin10010010101111000101…
…11000110111100110010
32020020201111021102222202
421022330113012330302
540311200200241402
61201304353303202
763350400336401
oct11127427067462
92206644242882
10630225399602
11223305898697
12a2185264b02
1347578930946
1422708603638
15115d866bb02
hex92bc5c6f32

630225399602 has 18 divisors (see below), whose sum is σ = 950636882559. Its totient is φ = 313356238780.

The previous prime is 630225399571. The next prime is 630225399667. The reversal of 630225399602 is 206993522036.

It can be written as a sum of positive squares in only one way, i.e., 315112699801 + 315112699801 = 561349^2 + 561349^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=561349.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 214433849 + ... + 214436787.

Almost surely, 2630225399602 is an apocalyptic number.

630225399602 is a deficient number, since it is larger than the sum of its proper divisors (320411482957).

630225399602 is an frugal number, since it uses more digits than its factorization.

630225399602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6262 (or 3132 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 47.

The spelling of 630225399602 in words is "six hundred thirty billion, two hundred twenty-five million, three hundred ninety-nine thousand, six hundred two".

Divisors: 1 2 191 382 2939 5878 36481 72962 561349 1122698 8637721 17275442 107217659 214435318 1649804711 3299609422 315112699801 630225399602