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2011012992 = 27324340597
BaseRepresentation
bin111011111011101…
…1001111110000000
312012011002001012200
41313313121332000
513104304403432
6531314553200
7100556220432
oct16767317600
95164061180
102011012992
1194218990a
12481598800
13260832021
14151124652
15bb83aa7c
hex77dd9f80

2011012992 has 96 divisors (see below), whose sum is σ = 5921624280. Its totient is φ = 654732288.

The previous prime is 2011012987. The next prime is 2011013023. The reversal of 2011012992 is 2992101102.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29238 + ... + 69834.

Almost surely, 22011012992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2011012992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2960812140).

2011012992 is an abundant number, since it is smaller than the sum of its proper divisors (3910611288).

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

2011012992 is a wasteful number, since it uses less digits than its factorization.

2011012992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40660 (or 40645 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 2011012992 is about 44844.3195064882. The cubic root of 2011012992 is about 1262.2294014962.

The spelling of 2011012992 in words is "two billion, eleven million, twelve thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 43 48 64 72 86 96 128 129 144 172 192 258 288 344 384 387 516 576 688 774 1032 1152 1376 1548 2064 2752 3096 4128 5504 6192 8256 12384 16512 24768 40597 49536 81194 121791 162388 243582 324776 365373 487164 649552 730746 974328 1299104 1461492 1745671 1948656 2598208 2922984 3491342 3897312 5196416 5237013 5845968 6982684 7794624 10474026 11691936 13965368 15589248 15711039 20948052 23383872 27930736 31422078 41896104 46767744 55861472 62844156 83792208 111722944 125688312 167584416 223445888 251376624 335168832 502753248 670337664 1005506496 2011012992