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630312032406 = 23710721310807
BaseRepresentation
bin10010010110000011000…
…01100101100010010110
32020020221112021211212010
421023001201211202112
540311334340014111
61201321130205050
763352501606230
oct11130141454226
92206845254763
10630312032406
1122334a78a151
12a21aa283786
1347590874064
1422715d15250
15115e1080aa6
hex92c1865896

630312032406 has 48 divisors (see below), whose sum is σ = 1454304773376. Its totient is φ = 178405939824.

The previous prime is 630312032309. The next prime is 630312032407. The reversal of 630312032406 is 604230213036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630312032407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174546 + ... + 1136261.

It is an arithmetic number, because the mean of its divisors is an integer number (30298016112).

Almost surely, 2630312032406 is an apocalyptic number.

630312032406 is an abundant number, since it is smaller than the sum of its proper divisors (823992740970).

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

630312032406 is a wasteful number, since it uses less digits than its factorization.

630312032406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311033 (or 1310926 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

The spelling of 630312032406 in words is "six hundred thirty billion, three hundred twelve million, thirty-two thousand, four hundred six".

Divisors: 1 2 3 6 7 14 21 42 107 214 321 642 749 1498 2247 4494 11449 22898 34347 68694 80143 160286 240429 480858 1310807 2621614 3932421 7864842 9175649 18351298 27526947 55053894 140256349 280512698 420769047 841538094 981794443 1963588886 2945383329 5890766658 15007429343 30014858686 45022288029 90044576058 105052005401 210104010802 315156016203 630312032406