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2011203112 = 23251400389
BaseRepresentation
bin111011111100000…
…1000011000101000
312012011102201000011
41313320020120220
513104331444422
6531323021304
7100560641632
oct16770103050
95164381004
102011203112
119422a9736
1248166a834
1326089a719
14151173a52
15bb877077
hex77e08628

2011203112 has 8 divisors (see below), whose sum is σ = 3771005850. Its totient is φ = 1005601552.

The previous prime is 2011203107. The next prime is 2011203113. The reversal of 2011203112 is 2113021102.

It can be written as a sum of positive squares in only one way, i.e., 1957708516 + 53494596 = 44246^2 + 7314^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2011203092 and 2011203101.

It is not an unprimeable number, because it can be changed into a prime (2011203113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125700187 + ... + 125700202.

Almost surely, 22011203112 is an apocalyptic number.

It is an amenable number.

2011203112 is a deficient number, since it is larger than the sum of its proper divisors (1759802738).

2011203112 is a wasteful number, since it uses less digits than its factorization.

2011203112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251400395 (or 251400391 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2011203112 is about 44846.4392343472. The cubic root of 2011203112 is about 1262.2691770542.

Adding to 2011203112 its reverse (2113021102), we get a palindrome (4124224214).

The spelling of 2011203112 in words is "two billion, eleven million, two hundred three thousand, one hundred twelve".

Divisors: 1 2 4 8 251400389 502800778 1005601556 2011203112