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2012656488 = 233555715091
BaseRepresentation
bin111011111110110…
…1011001101101000
312012021011112122220
41313331223031220
513110220001423
6531414114040
7100606204113
oct16775531550
95167145586
102012656488
11943101677
1248204b920
13260c890cb
1415143157a
15bba629e3
hex77f6b368

2012656488 has 32 divisors (see below), whose sum is σ = 5032880160. Its totient is φ = 670720320.

The previous prime is 2012656433. The next prime is 2012656511. The reversal of 2012656488 is 8846562102.

It is a super-2 number, since 2×20126564882 = 8101572277376988288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125823 + ... + 140913.

It is an arithmetic number, because the mean of its divisors is an integer number (157277505).

Almost surely, 22012656488 is an apocalyptic number.

It is an amenable number.

2012656488 is an abundant number, since it is smaller than the sum of its proper divisors (3020223672).

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

2012656488 is a wasteful number, since it uses less digits than its factorization.

2012656488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20657 (or 20653 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 2012656488 is about 44862.6402254705. The cubic root of 2012656488 is about 1262.5731592804.

The spelling of 2012656488 in words is "two billion, twelve million, six hundred fifty-six thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 24 5557 11114 15091 16671 22228 30182 33342 44456 45273 60364 66684 90546 120728 133368 181092 362184 83860687 167721374 251582061 335442748 503164122 670885496 1006328244 2012656488