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630820330002 = 23367499349411
BaseRepresentation
bin10010010110111111101…
…00100101101000010010
32020022020221202001002000
421023133310211220102
540313410001030002
61201443404534430
763401213222352
oct11133764455022
92208227661060
10630820330002
112235906a3705
12a2310551416
1347641c72b75
142276362ab62
15116209d761c
hex92dfd25a12

630820330002 has 64 divisors (see below), whose sum is σ = 1425600960000. Its totient is φ = 206719341840.

The previous prime is 630820330001. The next prime is 630820330009. The reversal of 630820330002 is 200033028036.

630820330002 is a `hidden beast` number, since 6 + 308 + 20 + 330 + 0 + 0 + 2 = 666.

630820330002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (630820330001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1630677 + ... + 1980087.

It is an arithmetic number, because the mean of its divisors is an integer number (22275015000).

Almost surely, 2630820330002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630820330002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (712800480000).

630820330002 is an abundant number, since it is smaller than the sum of its proper divisors (794780629998).

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

630820330002 is a wasteful number, since it uses less digits than its factorization.

630820330002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349988 (or 349982 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 630820330002 its reverse (200033028036), we get a palindrome (830853358038).

The spelling of 630820330002 in words is "six hundred thirty billion, eight hundred twenty million, three hundred thirty thousand, two".

Divisors: 1 2 3 6 9 18 27 54 67 134 201 402 499 603 998 1206 1497 1809 2994 3618 4491 8982 13473 26946 33433 66866 100299 200598 300897 349411 601794 698822 902691 1048233 1805382 2096466 3144699 6289398 9434097 18868194 23410537 46821074 70231611 140463222 174356089 210694833 348712178 421389666 523068267 632084499 1046136534 1264168998 1569204801 3138409602 4707614403 9415228806 11681857963 23363715926 35045573889 70091147778 105136721667 210273443334 315410165001 630820330002