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1200005000060 = 225619162159797
BaseRepresentation
bin10001011101100101110…
…111110010101101111100
311020201102102010010202212
4101131211313302231330
5124130102240000220
62315135155435552
7152461146126326
oct21354567625574
94221372103685
101200005000060
11422a125a1779
1217469b2b5bb8
1389210648819
144211b06a616
15213353770c5
hex11765df2b7c

1200005000060 has 48 divisors (see below), whose sum is σ = 2525680950240. Its totient is φ = 478922906880.

The previous prime is 1200005000059. The next prime is 1200005000093. The reversal of 1200005000060 is 600005000021.

It is a junction number, because it is equal to n+sod(n) for n = 1200004999999 and 1200005000044.

It is a congruent number.

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, 20038082 + ... + 20097878.

It is an arithmetic number, because the mean of its divisors is an integer number (52618353130).

Almost surely, 21200005000060 is an apocalyptic number.

1200005000060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200005000060 is an abundant number, since it is smaller than the sum of its proper divisors (1325675950180).

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

1200005000060 is a wasteful number, since it uses less digits than its factorization.

1200005000060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62046 (or 62044 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The spelling of 1200005000060 in words is "one trillion, two hundred billion, five million, sixty", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 619 1238 1621 2476 3095 3242 6190 6484 8105 12380 16210 32420 59797 119594 239188 298985 597970 1003399 1195940 2006798 4013596 5016995 10033990 20067980 37014343 74028686 96930937 148057372 185071715 193861874 370143430 387723748 484654685 740286860 969309370 1938618740 60000250003 120000500006 240001000012 300001250015 600002500030 1200005000060