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630520231602 = 23105086705267
BaseRepresentation
bin10010010110011011110…
…11110011011010110010
32020021111001001110110110
421023031323303122302
540312301134402402
61201353524442150
763360610353042
oct11131573633262
92207431043413
10630520231602
112234472622a8
12a2247b49356
13475c4a3c351
142273582d722
15116044a956c
hex92cdef36b2

630520231602 has 8 divisors (see below), whose sum is σ = 1261040463216. Its totient is φ = 210173410532.

The previous prime is 630520231597. The next prime is 630520231639. The reversal of 630520231602 is 206132025036.

It is a sphenic number, since it is the product of 3 distinct primes.

630520231602 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 630520231602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52543352628 + ... + 52543352639.

It is an arithmetic number, because the mean of its divisors is an integer number (157630057902).

Almost surely, 2630520231602 is an apocalyptic number.

630520231602 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

630520231602 is a wasteful number, since it uses less digits than its factorization.

630520231602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105086705272.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 630520231602 its reverse (206132025036), we get a palindrome (836652256638).

The spelling of 630520231602 in words is "six hundred thirty billion, five hundred twenty million, two hundred thirty-one thousand, six hundred two".

Divisors: 1 2 3 6 105086705267 210173410534 315260115801 630520231602