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2011312032 = 253191102693
BaseRepresentation
bin111011111100010…
…0010111110100000
312012011122020102020
41313320202332200
513104343441112
6531325221440
7100561604322
oct16770427640
95164566366
102011312032
11942373554
12481701880
13260908182
141511a1612
15bb89948c
hex77e22fa0

2011312032 has 48 divisors (see below), whose sum is σ = 5557577760. Its totient is φ = 635150592.

The previous prime is 2011312019. The next prime is 2011312049. The reversal of 2011312032 is 2302131102.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549523 + ... + 553170.

It is an arithmetic number, because the mean of its divisors is an integer number (115782870).

Almost surely, 22011312032 is an apocalyptic number.

It is an amenable number.

2011312032 is an abundant number, since it is smaller than the sum of its proper divisors (3546265728).

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

2011312032 is a wasteful number, since it uses less digits than its factorization.

2011312032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102725 (or 1102717 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2011312032 is about 44847.6535841063. The cubic root of 2011312032 is about 1262.2919633947.

Adding to 2011312032 its reverse (2302131102), we get a palindrome (4313443134).

The spelling of 2011312032 in words is "two billion, eleven million, three hundred twelve thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 16 19 24 32 38 48 57 76 96 114 152 228 304 456 608 912 1824 1102693 2205386 3308079 4410772 6616158 8821544 13232316 17643088 20951167 26464632 35286176 41902334 52929264 62853501 83804668 105858528 125707002 167609336 251414004 335218672 502828008 670437344 1005656016 2011312032