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2011386916 = 2271161107057
BaseRepresentation
bin111011111100011…
…0101010000100100
312012011210001010201
41313320311100210
513104403340131
6531331000244
7100562335540
oct16770652044
95164701121
102011386916
11942414840
12481739084
13260933296
141511c0a20
15bb8b1761
hex77e35424

2011386916 has 48 divisors (see below), whose sum is σ = 4460464512. Its totient is φ = 770803200.

The previous prime is 2011386907. The next prime is 2011386953. The reversal of 2011386916 is 6196831102.

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, 34741 + ... + 72316.

It is an arithmetic number, because the mean of its divisors is an integer number (92926344).

Almost surely, 22011386916 is an apocalyptic number.

It is an amenable number.

2011386916 is an abundant number, since it is smaller than the sum of its proper divisors (2449077596).

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

2011386916 is a wasteful number, since it uses less digits than its factorization.

2011386916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107140 (or 107138 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 2011386916 is about 44848.4884472153. The cubic root of 2011386916 is about 1262.3076288404.

The spelling of 2011386916 in words is "two billion, eleven million, three hundred eighty-six thousand, nine hundred sixteen".

Divisors: 1 2 4 7 11 14 22 28 44 61 77 122 154 244 308 427 671 854 1342 1708 2684 4697 9394 18788 107057 214114 428228 749399 1177627 1498798 2355254 2997596 4710508 6530477 8243389 13060954 16486778 26121908 32973556 45713339 71835247 91426678 143670494 182853356 287340988 502846729 1005693458 2011386916